Home / 838,015.70-1,156,487.90-475,454.84

Finding the Fourth Proportional to 838,015.70, 1,156,487.90 and 475,454.84

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Solution

The fourth proportional to 838,015.70, 1,156,487.90 and 475,454.84 is: 656,142.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,015.70 : 1,156,487.90 = 475,454.84 : x
  2. Step 2: Convert to fraction form
    838,015.70/1,156,487.90 = 475,454.84/x
  3. Step 3: Cross multiply
    838,015.70x = 1,156,487.90 × 475,454.84
  4. Step 4: Simplify right side
    838,015.70x = 549,857,769,456.44
  5. Step 5: Solve for x
    x = 549,857,769,456.44/838,015.70
  6. Step 6: Final answer
    x = 656,142.56

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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.