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Finding the Fourth Proportional to 529,592.49, 730,846.14 and 287,875.53

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Solution

The fourth proportional to 529,592.49, 730,846.14 and 287,875.53 is: 397,272.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,592.49 : 730,846.14 = 287,875.53 : x
  2. Step 2: Convert to fraction form
    529,592.49/730,846.14 = 287,875.53/x
  3. Step 3: Cross multiply
    529,592.49x = 730,846.14 × 287,875.53
  4. Step 4: Simplify right side
    529,592.49x = 210,392,719,900.95
  5. Step 5: Solve for x
    x = 210,392,719,900.95/529,592.49
  6. Step 6: Final answer
    x = 397,272.85

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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.