Home / 709,000.80-1,063,501.20-681,444.60

Finding the Fourth Proportional to 709,000.80, 1,063,501.20 and 681,444.60

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Solution

The fourth proportional to 709,000.80, 1,063,501.20 and 681,444.60 is: 1,022,166.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,000.80 : 1,063,501.20 = 681,444.60 : x
  2. Step 2: Convert to fraction form
    709,000.80/1,063,501.20 = 681,444.60/x
  3. Step 3: Cross multiply
    709,000.80x = 1,063,501.20 × 681,444.60
  4. Step 4: Simplify right side
    709,000.80x = 724,717,149,833.52
  5. Step 5: Solve for x
    x = 724,717,149,833.52/709,000.80
  6. Step 6: Final answer
    x = 1,022,166.90

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1.5x scale

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.