Home / 854,216.60-1,279,575.30-433,729.40

Finding the Fourth Proportional to 854,216.60, 1,279,575.30 and 433,729.40

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Solution

The fourth proportional to 854,216.60, 1,279,575.30 and 433,729.40 is: 649,705.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,216.60 : 1,279,575.30 = 433,729.40 : x
  2. Step 2: Convert to fraction form
    854,216.60/1,279,575.30 = 433,729.40/x
  3. Step 3: Cross multiply
    854,216.60x = 1,279,575.30 × 433,729.40
  4. Step 4: Simplify right side
    854,216.60x = 554,989,427,123.82
  5. Step 5: Solve for x
    x = 554,989,427,123.82/854,216.60
  6. Step 6: Final answer
    x = 649,705.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.