Home / 738,645.08-1,107,573.42-383,301.32

Finding the Fourth Proportional to 738,645.08, 1,107,573.42 and 383,301.32

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Solution

The fourth proportional to 738,645.08, 1,107,573.42 and 383,301.32 is: 574,747.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,645.08 : 1,107,573.42 = 383,301.32 : x
  2. Step 2: Convert to fraction form
    738,645.08/1,107,573.42 = 383,301.32/x
  3. Step 3: Cross multiply
    738,645.08x = 1,107,573.42 × 383,301.32
  4. Step 4: Simplify right side
    738,645.08x = 424,534,353,882.91
  5. Step 5: Solve for x
    x = 424,534,353,882.91/738,645.08
  6. Step 6: Final answer
    x = 574,747.42

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Double scale
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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.