Home / 831,335.57-1,247,184.24-254,959.16

Finding the Fourth Proportional to 831,335.57, 1,247,184.24 and 254,959.16

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Solution

The fourth proportional to 831,335.57, 1,247,184.24 and 254,959.16 is: 382,494.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,335.57 : 1,247,184.24 = 254,959.16 : x
  2. Step 2: Convert to fraction form
    831,335.57/1,247,184.24 = 254,959.16/x
  3. Step 3: Cross multiply
    831,335.57x = 1,247,184.24 × 254,959.16
  4. Step 4: Simplify right side
    831,335.57x = 317,981,044,920.84
  5. Step 5: Solve for x
    x = 317,981,044,920.84/831,335.57
  6. Step 6: Final answer
    x = 382,494.22

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.