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Finding the Fourth Proportional to 584,711.02, 806,901.20 and 316,439.02

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Solution

The fourth proportional to 584,711.02, 806,901.20 and 316,439.02 is: 436,685.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,711.02 : 806,901.20 = 316,439.02 : x
  2. Step 2: Convert to fraction form
    584,711.02/806,901.20 = 316,439.02/x
  3. Step 3: Cross multiply
    584,711.02x = 806,901.20 × 316,439.02
  4. Step 4: Simplify right side
    584,711.02x = 255,335,022,819.05
  5. Step 5: Solve for x
    x = 255,335,022,819.05/584,711.02
  6. Step 6: Final answer
    x = 436,685.84

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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.