Home / 886,845.20-1,330,267.80-354,448.40

Finding the Fourth Proportional to 886,845.20, 1,330,267.80 and 354,448.40

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Solution

The fourth proportional to 886,845.20, 1,330,267.80 and 354,448.40 is: 531,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,845.20 : 1,330,267.80 = 354,448.40 : x
  2. Step 2: Convert to fraction form
    886,845.20/1,330,267.80 = 354,448.40/x
  3. Step 3: Cross multiply
    886,845.20x = 1,330,267.80 × 354,448.40
  4. Step 4: Simplify right side
    886,845.20x = 471,511,293,281.52
  5. Step 5: Solve for x
    x = 471,511,293,281.52/886,845.20
  6. Step 6: Final answer
    x = 531,672.60

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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.