Home / 762,749.15-1,052,517.17-456,817.68

Finding the Fourth Proportional to 762,749.15, 1,052,517.17 and 456,817.68

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Solution

The fourth proportional to 762,749.15, 1,052,517.17 and 456,817.68 is: 630,362.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,749.15 : 1,052,517.17 = 456,817.68 : x
  2. Step 2: Convert to fraction form
    762,749.15/1,052,517.17 = 456,817.68/x
  3. Step 3: Cross multiply
    762,749.15x = 1,052,517.17 × 456,817.68
  4. Step 4: Simplify right side
    762,749.15x = 480,808,449,475.48
  5. Step 5: Solve for x
    x = 480,808,449,475.48/762,749.15
  6. Step 6: Final answer
    x = 630,362.49

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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.