Home / 864,316.31-1,192,869.36-482,422.37

Finding the Fourth Proportional to 864,316.31, 1,192,869.36 and 482,422.37

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Solution

The fourth proportional to 864,316.31, 1,192,869.36 and 482,422.37 is: 665,805.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,316.31 : 1,192,869.36 = 482,422.37 : x
  2. Step 2: Convert to fraction form
    864,316.31/1,192,869.36 = 482,422.37/x
  3. Step 3: Cross multiply
    864,316.31x = 1,192,869.36 × 482,422.37
  4. Step 4: Simplify right side
    864,316.31x = 575,466,857,787.24
  5. Step 5: Solve for x
    x = 575,466,857,787.24/864,316.31
  6. Step 6: Final answer
    x = 665,805.86

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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.