Home / 897,010.20-1,345,515.30-890,789.40

Finding the Fourth Proportional to 897,010.20, 1,345,515.30 and 890,789.40

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Solution

The fourth proportional to 897,010.20, 1,345,515.30 and 890,789.40 is: 1,336,184.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,010.20 : 1,345,515.30 = 890,789.40 : x
  2. Step 2: Convert to fraction form
    897,010.20/1,345,515.30 = 890,789.40/x
  3. Step 3: Cross multiply
    897,010.20x = 1,345,515.30 × 890,789.40
  4. Step 4: Simplify right side
    897,010.20x = 1,198,570,766,777.82
  5. Step 5: Solve for x
    x = 1,198,570,766,777.82/897,010.20
  6. Step 6: Final answer
    x = 1,336,184.10

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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.