Home / 623,915.16-861,002.91-337,435.24

Finding the Fourth Proportional to 623,915.16, 861,002.91 and 337,435.24

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Solution

The fourth proportional to 623,915.16, 861,002.91 and 337,435.24 is: 465,660.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,915.16 : 861,002.91 = 337,435.24 : x
  2. Step 2: Convert to fraction form
    623,915.16/861,002.91 = 337,435.24/x
  3. Step 3: Cross multiply
    623,915.16x = 861,002.91 × 337,435.24
  4. Step 4: Simplify right side
    623,915.16x = 290,532,723,576.55
  5. Step 5: Solve for x
    x = 290,532,723,576.55/623,915.16
  6. Step 6: Final answer
    x = 465,660.63

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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.