Home / 625,296.20-862,924.80-383,712.24

Finding the Fourth Proportional to 625,296.20, 862,924.80 and 383,712.24

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Solution

The fourth proportional to 625,296.20, 862,924.80 and 383,712.24 is: 529,532.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,296.20 : 862,924.80 = 383,712.24 : x
  2. Step 2: Convert to fraction form
    625,296.20/862,924.80 = 383,712.24/x
  3. Step 3: Cross multiply
    625,296.20x = 862,924.80 × 383,712.24
  4. Step 4: Simplify right side
    625,296.20x = 331,114,807,959.55
  5. Step 5: Solve for x
    x = 331,114,807,959.55/625,296.20
  6. Step 6: Final answer
    x = 529,532.74

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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.