Home / 718,784.97-1,078,063.17-238,972.91

Finding the Fourth Proportional to 718,784.97, 1,078,063.17 and 238,972.91

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Solution

The fourth proportional to 718,784.97, 1,078,063.17 and 238,972.91 is: 358,421.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,784.97 : 1,078,063.17 = 238,972.91 : x
  2. Step 2: Convert to fraction form
    718,784.97/1,078,063.17 = 238,972.91/x
  3. Step 3: Cross multiply
    718,784.97x = 1,078,063.17 × 238,972.91
  4. Step 4: Simplify right side
    718,784.97x = 257,627,887,508.41
  5. Step 5: Solve for x
    x = 257,627,887,508.41/718,784.97
  6. Step 6: Final answer
    x = 358,421.36

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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.