Home / 770,446.89-1,063,248.12-426,277.28

Finding the Fourth Proportional to 770,446.89, 1,063,248.12 and 426,277.28

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Solution

The fourth proportional to 770,446.89, 1,063,248.12 and 426,277.28 is: 588,280.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,446.89 : 1,063,248.12 = 426,277.28 : x
  2. Step 2: Convert to fraction form
    770,446.89/1,063,248.12 = 426,277.28/x
  3. Step 3: Cross multiply
    770,446.89x = 1,063,248.12 × 426,277.28
  4. Step 4: Simplify right side
    770,446.89x = 453,238,519,216.83
  5. Step 5: Solve for x
    x = 453,238,519,216.83/770,446.89
  6. Step 6: Final answer
    x = 588,280.03

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Double scale
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1.5x scale

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.