Home / 864,109.64-1,192,684.82-524,862.20

Finding the Fourth Proportional to 864,109.64, 1,192,684.82 and 524,862.20

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Solution

The fourth proportional to 864,109.64, 1,192,684.82 and 524,862.20 is: 724,439.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,109.64 : 1,192,684.82 = 524,862.20 : x
  2. Step 2: Convert to fraction form
    864,109.64/1,192,684.82 = 524,862.20/x
  3. Step 3: Cross multiply
    864,109.64x = 1,192,684.82 × 524,862.20
  4. Step 4: Simplify right side
    864,109.64x = 625,995,169,944.07
  5. Step 5: Solve for x
    x = 625,995,169,944.07/864,109.64
  6. Step 6: Final answer
    x = 724,439.52

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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.