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Finding the Fourth Proportional to 672,250.89, 927,649.14 and 385,764.84

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Solution

The fourth proportional to 672,250.89, 927,649.14 and 385,764.84 is: 532,322.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,250.89 : 927,649.14 = 385,764.84 : x
  2. Step 2: Convert to fraction form
    672,250.89/927,649.14 = 385,764.84/x
  3. Step 3: Cross multiply
    672,250.89x = 927,649.14 × 385,764.84
  4. Step 4: Simplify right side
    672,250.89x = 357,854,422,068.24
  5. Step 5: Solve for x
    x = 357,854,422,068.24/672,250.89
  6. Step 6: Final answer
    x = 532,322.72

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1.5x scale

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.