Home / 739,069.40-1,108,604.10-384,775.40

Finding the Fourth Proportional to 739,069.40, 1,108,604.10 and 384,775.40

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Solution

The fourth proportional to 739,069.40, 1,108,604.10 and 384,775.40 is: 577,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,069.40 : 1,108,604.10 = 384,775.40 : x
  2. Step 2: Convert to fraction form
    739,069.40/1,108,604.10 = 384,775.40/x
  3. Step 3: Cross multiply
    739,069.40x = 1,108,604.10 × 384,775.40
  4. Step 4: Simplify right side
    739,069.40x = 426,563,586,019.14
  5. Step 5: Solve for x
    x = 426,563,586,019.14/739,069.40
  6. Step 6: Final answer
    x = 577,163.10

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Half scale
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Double scale
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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.