Home / 765,450.95-1,056,253.68-443,182.86

Finding the Fourth Proportional to 765,450.95, 1,056,253.68 and 443,182.86

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Solution

The fourth proportional to 765,450.95, 1,056,253.68 and 443,182.86 is: 611,552.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,450.95 : 1,056,253.68 = 443,182.86 : x
  2. Step 2: Convert to fraction form
    765,450.95/1,056,253.68 = 443,182.86/x
  3. Step 3: Cross multiply
    765,450.95x = 1,056,253.68 × 443,182.86
  4. Step 4: Simplify right side
    765,450.95x = 468,113,526,787.93
  5. Step 5: Solve for x
    x = 468,113,526,787.93/765,450.95
  6. Step 6: Final answer
    x = 611,552.61

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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.