Home / 865,700.20-1,298,550.30-655,748.20

Finding the Fourth Proportional to 865,700.20, 1,298,550.30 and 655,748.20

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Solution

The fourth proportional to 865,700.20, 1,298,550.30 and 655,748.20 is: 983,622.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,700.20 : 1,298,550.30 = 655,748.20 : x
  2. Step 2: Convert to fraction form
    865,700.20/1,298,550.30 = 655,748.20/x
  3. Step 3: Cross multiply
    865,700.20x = 1,298,550.30 × 655,748.20
  4. Step 4: Simplify right side
    865,700.20x = 851,522,021,834.46
  5. Step 5: Solve for x
    x = 851,522,021,834.46/865,700.20
  6. Step 6: Final answer
    x = 983,622.30

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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.