Home / 898,015.17-1,239,251.24-490,113.70

Finding the Fourth Proportional to 898,015.17, 1,239,251.24 and 490,113.70

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Solution

The fourth proportional to 898,015.17, 1,239,251.24 and 490,113.70 is: 676,351.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,015.17 : 1,239,251.24 = 490,113.70 : x
  2. Step 2: Convert to fraction form
    898,015.17/1,239,251.24 = 490,113.70/x
  3. Step 3: Cross multiply
    898,015.17x = 1,239,251.24 × 490,113.70
  4. Step 4: Simplify right side
    898,015.17x = 607,374,008,015.42
  5. Step 5: Solve for x
    x = 607,374,008,015.42/898,015.17
  6. Step 6: Final answer
    x = 676,351.61

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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.