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Finding the Fourth Proportional to 646,562.33, 892,255.68 and 374,787.71

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Solution

The fourth proportional to 646,562.33, 892,255.68 and 374,787.71 is: 517,206.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,562.33 : 892,255.68 = 374,787.71 : x
  2. Step 2: Convert to fraction form
    646,562.33/892,255.68 = 374,787.71/x
  3. Step 3: Cross multiply
    646,562.33x = 892,255.68 × 374,787.71
  4. Step 4: Simplify right side
    646,562.33x = 334,406,460,872.28
  5. Step 5: Solve for x
    x = 334,406,460,872.28/646,562.33
  6. Step 6: Final answer
    x = 517,206.85

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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.