Home / 991,294.50-1,368,103.05-588,886.50

Finding the Fourth Proportional to 991,294.50, 1,368,103.05 and 588,886.50

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Solution

The fourth proportional to 991,294.50, 1,368,103.05 and 588,886.50 is: 812,732.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,294.50 : 1,368,103.05 = 588,886.50 : x
  2. Step 2: Convert to fraction form
    991,294.50/1,368,103.05 = 588,886.50/x
  3. Step 3: Cross multiply
    991,294.50x = 1,368,103.05 × 588,886.50
  4. Step 4: Simplify right side
    991,294.50x = 805,657,416,753.83
  5. Step 5: Solve for x
    x = 805,657,416,753.83/991,294.50
  6. Step 6: Final answer
    x = 812,732.66

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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.