Home / 878,001.55-1,316,972.25-372,236.84

Finding the Fourth Proportional to 878,001.55, 1,316,972.25 and 372,236.84

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Solution

The fourth proportional to 878,001.55, 1,316,972.25 and 372,236.84 is: 558,342.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,001.55 : 1,316,972.25 = 372,236.84 : x
  2. Step 2: Convert to fraction form
    878,001.55/1,316,972.25 = 372,236.84/x
  3. Step 3: Cross multiply
    878,001.55x = 1,316,972.25 × 372,236.84
  4. Step 4: Simplify right side
    878,001.55x = 490,225,585,665.59
  5. Step 5: Solve for x
    x = 490,225,585,665.59/878,001.55
  6. Step 6: Final answer
    x = 558,342.51

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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.