Home / 887,854.52-1,225,239.24-485,446.52

Finding the Fourth Proportional to 887,854.52, 1,225,239.24 and 485,446.52

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Solution

The fourth proportional to 887,854.52, 1,225,239.24 and 485,446.52 is: 669,916.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,854.52 : 1,225,239.24 = 485,446.52 : x
  2. Step 2: Convert to fraction form
    887,854.52/1,225,239.24 = 485,446.52/x
  3. Step 3: Cross multiply
    887,854.52x = 1,225,239.24 × 485,446.52
  4. Step 4: Simplify right side
    887,854.52x = 594,788,125,225.45
  5. Step 5: Solve for x
    x = 594,788,125,225.45/887,854.52
  6. Step 6: Final answer
    x = 669,916.20

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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.