Home / 878,578.28-1,316,924.27-372,712.42

Finding the Fourth Proportional to 878,578.28, 1,316,924.27 and 372,712.42

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Solution

The fourth proportional to 878,578.28, 1,316,924.27 and 372,712.42 is: 558,668.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,578.28 : 1,316,924.27 = 372,712.42 : x
  2. Step 2: Convert to fraction form
    878,578.28/1,316,924.27 = 372,712.42/x
  3. Step 3: Cross multiply
    878,578.28x = 1,316,924.27 × 372,712.42
  4. Step 4: Simplify right side
    878,578.28x = 490,834,031,628.43
  5. Step 5: Solve for x
    x = 490,834,031,628.43/878,578.28
  6. Step 6: Final answer
    x = 558,668.52

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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.