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Finding the Fourth Proportional to 514,822.08, 710,425.44 and 299,997.12

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Solution

The fourth proportional to 514,822.08, 710,425.44 and 299,997.12 is: 413,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,822.08 : 710,425.44 = 299,997.12 : x
  2. Step 2: Convert to fraction form
    514,822.08/710,425.44 = 299,997.12/x
  3. Step 3: Cross multiply
    514,822.08x = 710,425.44 × 299,997.12
  4. Step 4: Simplify right side
    514,822.08x = 213,125,585,974.73
  5. Step 5: Solve for x
    x = 213,125,585,974.73/514,822.08
  6. Step 6: Final answer
    x = 413,979.11

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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.