Home / 739,077.84-1,108,272.12-383,996.40

Finding the Fourth Proportional to 739,077.84, 1,108,272.12 and 383,996.40

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Solution

The fourth proportional to 739,077.84, 1,108,272.12 and 383,996.40 is: 575,815.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,077.84 : 1,108,272.12 = 383,996.40 : x
  2. Step 2: Convert to fraction form
    739,077.84/1,108,272.12 = 383,996.40/x
  3. Step 3: Cross multiply
    739,077.84x = 1,108,272.12 × 383,996.40
  4. Step 4: Simplify right side
    739,077.84x = 425,572,504,300.37
  5. Step 5: Solve for x
    x = 425,572,504,300.37/739,077.84
  6. Step 6: Final answer
    x = 575,815.54

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Half scale
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Double scale
Find fourth proportional to 739,078.84, 1,108,273.62 and 383,997.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.