Home / 566,250.44-781,406.02-311,577.80

Finding the Fourth Proportional to 566,250.44, 781,406.02 and 311,577.80

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Solution

The fourth proportional to 566,250.44, 781,406.02 and 311,577.80 is: 429,966.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,250.44 : 781,406.02 = 311,577.80 : x
  2. Step 2: Convert to fraction form
    566,250.44/781,406.02 = 311,577.80/x
  3. Step 3: Cross multiply
    566,250.44x = 781,406.02 × 311,577.80
  4. Step 4: Simplify right side
    566,250.44x = 243,468,768,618.36
  5. Step 5: Solve for x
    x = 243,468,768,618.36/566,250.44
  6. Step 6: Final answer
    x = 429,966.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.