Home / 840,500.91-1,159,868.30-458,527.59

Finding the Fourth Proportional to 840,500.91, 1,159,868.30 and 458,527.59

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Solution

The fourth proportional to 840,500.91, 1,159,868.30 and 458,527.59 is: 632,755.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,500.91 : 1,159,868.30 = 458,527.59 : x
  2. Step 2: Convert to fraction form
    840,500.91/1,159,868.30 = 458,527.59/x
  3. Step 3: Cross multiply
    840,500.91x = 1,159,868.30 × 458,527.59
  4. Step 4: Simplify right side
    840,500.91x = 531,831,614,023.76
  5. Step 5: Solve for x
    x = 531,831,614,023.76/840,500.91
  6. Step 6: Final answer
    x = 632,755.55

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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.