Home / 831,117.40-1,146,892.58-482,230.88

Finding the Fourth Proportional to 831,117.40, 1,146,892.58 and 482,230.88

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Solution

The fourth proportional to 831,117.40, 1,146,892.58 and 482,230.88 is: 665,449.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,117.40 : 1,146,892.58 = 482,230.88 : x
  2. Step 2: Convert to fraction form
    831,117.40/1,146,892.58 = 482,230.88/x
  3. Step 3: Cross multiply
    831,117.40x = 1,146,892.58 × 482,230.88
  4. Step 4: Simplify right side
    831,117.40x = 553,067,018,118.87
  5. Step 5: Solve for x
    x = 553,067,018,118.87/831,117.40
  6. Step 6: Final answer
    x = 665,449.93

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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.