Home / 831,227.76-1,147,071.36-468,648.44

Finding the Fourth Proportional to 831,227.76, 1,147,071.36 and 468,648.44

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Solution

The fourth proportional to 831,227.76, 1,147,071.36 and 468,648.44 is: 646,721.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,227.76 : 1,147,071.36 = 468,648.44 : x
  2. Step 2: Convert to fraction form
    831,227.76/1,147,071.36 = 468,648.44/x
  3. Step 3: Cross multiply
    831,227.76x = 1,147,071.36 × 468,648.44
  4. Step 4: Simplify right side
    831,227.76x = 537,573,203,432.68
  5. Step 5: Solve for x
    x = 537,573,203,432.68/831,227.76
  6. Step 6: Final answer
    x = 646,721.91

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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.