Home / 801,042.92-1,105,363.62-478,688.84

Finding the Fourth Proportional to 801,042.92, 1,105,363.62 and 478,688.84

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Solution

The fourth proportional to 801,042.92, 1,105,363.62 and 478,688.84 is: 660,545.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,042.92 : 1,105,363.62 = 478,688.84 : x
  2. Step 2: Convert to fraction form
    801,042.92/1,105,363.62 = 478,688.84/x
  3. Step 3: Cross multiply
    801,042.92x = 1,105,363.62 × 478,688.84
  4. Step 4: Simplify right side
    801,042.92x = 529,125,229,036.00
  5. Step 5: Solve for x
    x = 529,125,229,036.00/801,042.92
  6. Step 6: Final answer
    x = 660,545.42

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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.