Home / 674,229.60-1,012,510.80-653,234.40

Finding the Fourth Proportional to 674,229.60, 1,012,510.80 and 653,234.40

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Solution

The fourth proportional to 674,229.60, 1,012,510.80 and 653,234.40 is: 980,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,229.60 : 1,012,510.80 = 653,234.40 : x
  2. Step 2: Convert to fraction form
    674,229.60/1,012,510.80 = 653,234.40/x
  3. Step 3: Cross multiply
    674,229.60x = 1,012,510.80 × 653,234.40
  4. Step 4: Simplify right side
    674,229.60x = 661,406,884,931.52
  5. Step 5: Solve for x
    x = 661,406,884,931.52/674,229.60
  6. Step 6: Final answer
    x = 980,981.68

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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.