Home / 528,622.28-729,321.18-337,747.40

Finding the Fourth Proportional to 528,622.28, 729,321.18 and 337,747.40

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Solution

The fourth proportional to 528,622.28, 729,321.18 and 337,747.40 is: 465,977.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,622.28 : 729,321.18 = 337,747.40 : x
  2. Step 2: Convert to fraction form
    528,622.28/729,321.18 = 337,747.40/x
  3. Step 3: Cross multiply
    528,622.28x = 729,321.18 × 337,747.40
  4. Step 4: Simplify right side
    528,622.28x = 246,326,328,663.33
  5. Step 5: Solve for x
    x = 246,326,328,663.33/528,622.28
  6. Step 6: Final answer
    x = 465,977.96

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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.