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Finding the Fourth Proportional to 518,549.66, 715,572.86 and 292,209.74

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Solution

The fourth proportional to 518,549.66, 715,572.86 and 292,209.74 is: 403,234.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,549.66 : 715,572.86 = 292,209.74 : x
  2. Step 2: Convert to fraction form
    518,549.66/715,572.86 = 292,209.74/x
  3. Step 3: Cross multiply
    518,549.66x = 715,572.86 × 292,209.74
  4. Step 4: Simplify right side
    518,549.66x = 209,097,359,371.66
  5. Step 5: Solve for x
    x = 209,097,359,371.66/518,549.66
  6. Step 6: Final answer
    x = 403,234.98

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1.5x scale

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.