Home / 872,927.04-1,204,545.42-490,872.72

Finding the Fourth Proportional to 872,927.04, 1,204,545.42 and 490,872.72

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Solution

The fourth proportional to 872,927.04, 1,204,545.42 and 490,872.72 is: 677,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,927.04 : 1,204,545.42 = 490,872.72 : x
  2. Step 2: Convert to fraction form
    872,927.04/1,204,545.42 = 490,872.72/x
  3. Step 3: Cross multiply
    872,927.04x = 1,204,545.42 × 490,872.72
  4. Step 4: Simplify right side
    872,927.04x = 591,278,486,678.94
  5. Step 5: Solve for x
    x = 591,278,486,678.94/872,927.04
  6. Step 6: Final answer
    x = 677,351.55

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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.