Home / 699,204.04-964,930.38-393,294.72

Finding the Fourth Proportional to 699,204.04, 964,930.38 and 393,294.72

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Solution

The fourth proportional to 699,204.04, 964,930.38 and 393,294.72 is: 542,762.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,204.04 : 964,930.38 = 393,294.72 : x
  2. Step 2: Convert to fraction form
    699,204.04/964,930.38 = 393,294.72/x
  3. Step 3: Cross multiply
    699,204.04x = 964,930.38 × 393,294.72
  4. Step 4: Simplify right side
    699,204.04x = 379,502,023,621.59
  5. Step 5: Solve for x
    x = 379,502,023,621.59/699,204.04
  6. Step 6: Final answer
    x = 542,762.92

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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.