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Finding the Fourth Proportional to 593,597.79, 820,251.23 and 432,172.62

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Solution

The fourth proportional to 593,597.79, 820,251.23 and 432,172.62 is: 597,189.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,597.79 : 820,251.23 = 432,172.62 : x
  2. Step 2: Convert to fraction form
    593,597.79/820,251.23 = 432,172.62/x
  3. Step 3: Cross multiply
    593,597.79x = 820,251.23 × 432,172.62
  4. Step 4: Simplify right side
    593,597.79x = 354,490,120,966.46
  5. Step 5: Solve for x
    x = 354,490,120,966.46/593,597.79
  6. Step 6: Final answer
    x = 597,189.08

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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.