Home / 770,306.13-1,063,002.65-426,155.01

Finding the Fourth Proportional to 770,306.13, 1,063,002.65 and 426,155.01

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Solution

The fourth proportional to 770,306.13, 1,063,002.65 and 426,155.01 is: 588,082.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,306.13 : 1,063,002.65 = 426,155.01 : x
  2. Step 2: Convert to fraction form
    770,306.13/1,063,002.65 = 426,155.01/x
  3. Step 3: Cross multiply
    770,306.13x = 1,063,002.65 × 426,155.01
  4. Step 4: Simplify right side
    770,306.13x = 453,003,902,810.00
  5. Step 5: Solve for x
    x = 453,003,902,810.00/770,306.13
  6. Step 6: Final answer
    x = 588,082.95

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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.