Home / 886,824.70-1,330,237.05-354,427.90

Finding the Fourth Proportional to 886,824.70, 1,330,237.05 and 354,427.90

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Solution

The fourth proportional to 886,824.70, 1,330,237.05 and 354,427.90 is: 531,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,824.70 : 1,330,237.05 = 354,427.90 : x
  2. Step 2: Convert to fraction form
    886,824.70/1,330,237.05 = 354,427.90/x
  3. Step 3: Cross multiply
    886,824.70x = 1,330,237.05 × 354,427.90
  4. Step 4: Simplify right side
    886,824.70x = 471,473,124,133.70
  5. Step 5: Solve for x
    x = 471,473,124,133.70/886,824.70
  6. Step 6: Final answer
    x = 531,641.85

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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.