Home / 808,545.96-1,115,798.68-445,979.61

Finding the Fourth Proportional to 808,545.96, 1,115,798.68 and 445,979.61

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Solution

The fourth proportional to 808,545.96, 1,115,798.68 and 445,979.61 is: 615,454.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,545.96 : 1,115,798.68 = 445,979.61 : x
  2. Step 2: Convert to fraction form
    808,545.96/1,115,798.68 = 445,979.61/x
  3. Step 3: Cross multiply
    808,545.96x = 1,115,798.68 × 445,979.61
  4. Step 4: Simplify right side
    808,545.96x = 497,623,454,565.92
  5. Step 5: Solve for x
    x = 497,623,454,565.92/808,545.96
  6. Step 6: Final answer
    x = 615,454.76

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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.