Home / 878,052.93-1,316,799.10-278,873.92

Finding the Fourth Proportional to 878,052.93, 1,316,799.10 and 278,873.92

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Solution

The fourth proportional to 878,052.93, 1,316,799.10 and 278,873.92 is: 418,221.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,052.93 : 1,316,799.10 = 278,873.92 : x
  2. Step 2: Convert to fraction form
    878,052.93/1,316,799.10 = 278,873.92/x
  3. Step 3: Cross multiply
    878,052.93x = 1,316,799.10 × 278,873.92
  4. Step 4: Simplify right side
    878,052.93x = 367,220,926,869.47
  5. Step 5: Solve for x
    x = 367,220,926,869.47/878,052.93
  6. Step 6: Final answer
    x = 418,221.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.