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Finding the Fourth Proportional to 529,000.27, 730,013.52 and 299,602.20

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Solution

The fourth proportional to 529,000.27, 730,013.52 and 299,602.20 is: 413,447.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,000.27 : 730,013.52 = 299,602.20 : x
  2. Step 2: Convert to fraction form
    529,000.27/730,013.52 = 299,602.20/x
  3. Step 3: Cross multiply
    529,000.27x = 730,013.52 × 299,602.20
  4. Step 4: Simplify right side
    529,000.27x = 218,713,656,621.74
  5. Step 5: Solve for x
    x = 218,713,656,621.74/529,000.27
  6. Step 6: Final answer
    x = 413,447.15

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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.