Home / 866,398.32-1,195,656.12-484,493.04

Finding the Fourth Proportional to 866,398.32, 1,195,656.12 and 484,493.04

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Solution

The fourth proportional to 866,398.32, 1,195,656.12 and 484,493.04 is: 668,615.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,398.32 : 1,195,656.12 = 484,493.04 : x
  2. Step 2: Convert to fraction form
    866,398.32/1,195,656.12 = 484,493.04/x
  3. Step 3: Cross multiply
    866,398.32x = 1,195,656.12 × 484,493.04
  4. Step 4: Simplify right side
    866,398.32x = 579,287,068,373.41
  5. Step 5: Solve for x
    x = 579,287,068,373.41/866,398.32
  6. Step 6: Final answer
    x = 668,615.18

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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.