Home / 887,260.90-1,330,891.35-438,051.10

Finding the Fourth Proportional to 887,260.90, 1,330,891.35 and 438,051.10

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Solution

The fourth proportional to 887,260.90, 1,330,891.35 and 438,051.10 is: 657,076.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,260.90 : 1,330,891.35 = 438,051.10 : x
  2. Step 2: Convert to fraction form
    887,260.90/1,330,891.35 = 438,051.10/x
  3. Step 3: Cross multiply
    887,260.90x = 1,330,891.35 × 438,051.10
  4. Step 4: Simplify right side
    887,260.90x = 582,998,419,847.99
  5. Step 5: Solve for x
    x = 582,998,419,847.99/887,260.90
  6. Step 6: Final answer
    x = 657,076.65

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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.