Home / 831,247.30-1,147,098.27-468,667.95

Finding the Fourth Proportional to 831,247.30, 1,147,098.27 and 468,667.95

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Solution

The fourth proportional to 831,247.30, 1,147,098.27 and 468,667.95 is: 646,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,247.30 : 1,147,098.27 = 468,667.95 : x
  2. Step 2: Convert to fraction form
    831,247.30/1,147,098.27 = 468,667.95/x
  3. Step 3: Cross multiply
    831,247.30x = 1,147,098.27 × 468,667.95
  4. Step 4: Simplify right side
    831,247.30x = 537,608,194,649.45
  5. Step 5: Solve for x
    x = 537,608,194,649.45/831,247.30
  6. Step 6: Final answer
    x = 646,748.80

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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.