Home / 926,464.80-1,389,697.20-261,616.80

Finding the Fourth Proportional to 926,464.80, 1,389,697.20 and 261,616.80

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Solution

The fourth proportional to 926,464.80, 1,389,697.20 and 261,616.80 is: 392,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,464.80 : 1,389,697.20 = 261,616.80 : x
  2. Step 2: Convert to fraction form
    926,464.80/1,389,697.20 = 261,616.80/x
  3. Step 3: Cross multiply
    926,464.80x = 1,389,697.20 × 261,616.80
  4. Step 4: Simplify right side
    926,464.80x = 363,568,134,432.96
  5. Step 5: Solve for x
    x = 363,568,134,432.96/926,464.80
  6. Step 6: Final answer
    x = 392,425.20

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Double scale
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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.