Home / 886,449.60-1,329,674.40-380,924.55

Finding the Fourth Proportional to 886,449.60, 1,329,674.40 and 380,924.55

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Solution

The fourth proportional to 886,449.60, 1,329,674.40 and 380,924.55 is: 571,386.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,449.60 : 1,329,674.40 = 380,924.55 : x
  2. Step 2: Convert to fraction form
    886,449.60/1,329,674.40 = 380,924.55/x
  3. Step 3: Cross multiply
    886,449.60x = 1,329,674.40 × 380,924.55
  4. Step 4: Simplify right side
    886,449.60x = 506,505,622,466.52
  5. Step 5: Solve for x
    x = 506,505,622,466.52/886,449.60
  6. Step 6: Final answer
    x = 571,386.83

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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.