Home / 739,036.03-1,108,209.56-383,954.71

Finding the Fourth Proportional to 739,036.03, 1,108,209.56 and 383,954.71

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Solution

The fourth proportional to 739,036.03, 1,108,209.56 and 383,954.71 is: 575,753.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,036.03 : 1,108,209.56 = 383,954.71 : x
  2. Step 2: Convert to fraction form
    739,036.03/1,108,209.56 = 383,954.71/x
  3. Step 3: Cross multiply
    739,036.03x = 1,108,209.56 × 383,954.71
  4. Step 4: Simplify right side
    739,036.03x = 425,502,272,768.21
  5. Step 5: Solve for x
    x = 425,502,272,768.21/739,036.03
  6. Step 6: Final answer
    x = 575,753.09

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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.