Home / 831,930.76-1,148,061.06-469,354.60

Finding the Fourth Proportional to 831,930.76, 1,148,061.06 and 469,354.60

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Solution

The fourth proportional to 831,930.76, 1,148,061.06 and 469,354.60 is: 647,707.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,930.76 : 1,148,061.06 = 469,354.60 : x
  2. Step 2: Convert to fraction form
    831,930.76/1,148,061.06 = 469,354.60/x
  3. Step 3: Cross multiply
    831,930.76x = 1,148,061.06 × 469,354.60
  4. Step 4: Simplify right side
    831,930.76x = 538,847,739,591.88
  5. Step 5: Solve for x
    x = 538,847,739,591.88/831,930.76
  6. Step 6: Final answer
    x = 647,707.44

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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.