Home / 718,769.28-1,077,279.36-508,467.84

Finding the Fourth Proportional to 718,769.28, 1,077,279.36 and 508,467.84

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Solution

The fourth proportional to 718,769.28, 1,077,279.36 and 508,467.84 is: 762,083.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,769.28 : 1,077,279.36 = 508,467.84 : x
  2. Step 2: Convert to fraction form
    718,769.28/1,077,279.36 = 508,467.84/x
  3. Step 3: Cross multiply
    718,769.28x = 1,077,279.36 × 508,467.84
  4. Step 4: Simplify right side
    718,769.28x = 547,761,909,255.78
  5. Step 5: Solve for x
    x = 547,761,909,255.78/718,769.28
  6. Step 6: Final answer
    x = 762,083.08

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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.