Home / 535,567.71-739,083.38-306,129.90

Finding the Fourth Proportional to 535,567.71, 739,083.38 and 306,129.90

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Solution

The fourth proportional to 535,567.71, 739,083.38 and 306,129.90 is: 422,459.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,567.71 : 739,083.38 = 306,129.90 : x
  2. Step 2: Convert to fraction form
    535,567.71/739,083.38 = 306,129.90/x
  3. Step 3: Cross multiply
    535,567.71x = 739,083.38 × 306,129.90
  4. Step 4: Simplify right side
    535,567.71x = 226,255,523,824.10
  5. Step 5: Solve for x
    x = 226,255,523,824.10/535,567.71
  6. Step 6: Final answer
    x = 422,459.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.