Home / 558,922.72-771,419.64-317,227.92

Finding the Fourth Proportional to 558,922.72, 771,419.64 and 317,227.92

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Solution

The fourth proportional to 558,922.72, 771,419.64 and 317,227.92 is: 437,834.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,922.72 : 771,419.64 = 317,227.92 : x
  2. Step 2: Convert to fraction form
    558,922.72/771,419.64 = 317,227.92/x
  3. Step 3: Cross multiply
    558,922.72x = 771,419.64 × 317,227.92
  4. Step 4: Simplify right side
    558,922.72x = 244,715,847,844.35
  5. Step 5: Solve for x
    x = 244,715,847,844.35/558,922.72
  6. Step 6: Final answer
    x = 437,834.85

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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.