Home / 831,359.88-1,147,179.15-468,762.14

Finding the Fourth Proportional to 831,359.88, 1,147,179.15 and 468,762.14

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Solution

The fourth proportional to 831,359.88, 1,147,179.15 and 468,762.14 is: 646,836.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,359.88 : 1,147,179.15 = 468,762.14 : x
  2. Step 2: Convert to fraction form
    831,359.88/1,147,179.15 = 468,762.14/x
  3. Step 3: Cross multiply
    831,359.88x = 1,147,179.15 × 468,762.14
  4. Step 4: Simplify right side
    831,359.88x = 537,754,147,581.49
  5. Step 5: Solve for x
    x = 537,754,147,581.49/831,359.88
  6. Step 6: Final answer
    x = 646,836.78

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Double scale
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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.