Home / 851,472.60-1,175,040.38-469,512.92

Finding the Fourth Proportional to 851,472.60, 1,175,040.38 and 469,512.92

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Solution

The fourth proportional to 851,472.60, 1,175,040.38 and 469,512.92 is: 647,932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,472.60 : 1,175,040.38 = 469,512.92 : x
  2. Step 2: Convert to fraction form
    851,472.60/1,175,040.38 = 469,512.92/x
  3. Step 3: Cross multiply
    851,472.60x = 1,175,040.38 × 469,512.92
  4. Step 4: Simplify right side
    851,472.60x = 551,696,639,931.71
  5. Step 5: Solve for x
    x = 551,696,639,931.71/851,472.60
  6. Step 6: Final answer
    x = 647,932.35

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1.5x scale

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.