Home / 687,511.52-1,032,020.88-546,264.80

Finding the Fourth Proportional to 687,511.52, 1,032,020.88 and 546,264.80

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Solution

The fourth proportional to 687,511.52, 1,032,020.88 and 546,264.80 is: 819,995.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,511.52 : 1,032,020.88 = 546,264.80 : x
  2. Step 2: Convert to fraction form
    687,511.52/1,032,020.88 = 546,264.80/x
  3. Step 3: Cross multiply
    687,511.52x = 1,032,020.88 × 546,264.80
  4. Step 4: Simplify right side
    687,511.52x = 563,756,679,609.02
  5. Step 5: Solve for x
    x = 563,756,679,609.02/687,511.52
  6. Step 6: Final answer
    x = 819,995.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.