Home / 831,727.62-1,147,758.30-469,146.24

Finding the Fourth Proportional to 831,727.62, 1,147,758.30 and 469,146.24

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Solution

The fourth proportional to 831,727.62, 1,147,758.30 and 469,146.24 is: 647,407.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,727.62 : 1,147,758.30 = 469,146.24 : x
  2. Step 2: Convert to fraction form
    831,727.62/1,147,758.30 = 469,146.24/x
  3. Step 3: Cross multiply
    831,727.62x = 1,147,758.30 × 469,146.24
  4. Step 4: Simplify right side
    831,727.62x = 538,466,490,873.79
  5. Step 5: Solve for x
    x = 538,466,490,873.79/831,727.62
  6. Step 6: Final answer
    x = 647,407.25

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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.