Home / 558,892.68-771,378.18-317,197.89

Finding the Fourth Proportional to 558,892.68, 771,378.18 and 317,197.89

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Solution

The fourth proportional to 558,892.68, 771,378.18 and 317,197.89 is: 437,793.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,892.68 : 771,378.18 = 317,197.89 : x
  2. Step 2: Convert to fraction form
    558,892.68/771,378.18 = 317,197.89/x
  3. Step 3: Cross multiply
    558,892.68x = 771,378.18 × 317,197.89
  4. Step 4: Simplify right side
    558,892.68x = 244,679,531,088.04
  5. Step 5: Solve for x
    x = 244,679,531,088.04/558,892.68
  6. Step 6: Final answer
    x = 437,793.41

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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.