Home / 744,318.90-1,027,158.30-404,787.42

Finding the Fourth Proportional to 744,318.90, 1,027,158.30 and 404,787.42

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Solution

The fourth proportional to 744,318.90, 1,027,158.30 and 404,787.42 is: 558,605.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,318.90 : 1,027,158.30 = 404,787.42 : x
  2. Step 2: Convert to fraction form
    744,318.90/1,027,158.30 = 404,787.42/x
  3. Step 3: Cross multiply
    744,318.90x = 1,027,158.30 × 404,787.42
  4. Step 4: Simplify right side
    744,318.90x = 415,780,758,188.59
  5. Step 5: Solve for x
    x = 415,780,758,188.59/744,318.90
  6. Step 6: Final answer
    x = 558,605.67

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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.