Home / 887,057.20-1,330,585.80-550,477.90

Finding the Fourth Proportional to 887,057.20, 1,330,585.80 and 550,477.90

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Solution

The fourth proportional to 887,057.20, 1,330,585.80 and 550,477.90 is: 825,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,057.20 : 1,330,585.80 = 550,477.90 : x
  2. Step 2: Convert to fraction form
    887,057.20/1,330,585.80 = 550,477.90/x
  3. Step 3: Cross multiply
    887,057.20x = 1,330,585.80 × 550,477.90
  4. Step 4: Simplify right side
    887,057.20x = 732,458,076,953.82
  5. Step 5: Solve for x
    x = 732,458,076,953.82/887,057.20
  6. Step 6: Final answer
    x = 825,716.85

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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.