Home / 890,014.40-1,334,114.40-440,043.20

Finding the Fourth Proportional to 890,014.40, 1,334,114.40 and 440,043.20

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Solution

The fourth proportional to 890,014.40, 1,334,114.40 and 440,043.20 is: 659,616.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,014.40 : 1,334,114.40 = 440,043.20 : x
  2. Step 2: Convert to fraction form
    890,014.40/1,334,114.40 = 440,043.20/x
  3. Step 3: Cross multiply
    890,014.40x = 1,334,114.40 × 440,043.20
  4. Step 4: Simplify right side
    890,014.40x = 587,067,969,742.08
  5. Step 5: Solve for x
    x = 587,067,969,742.08/890,014.40
  6. Step 6: Final answer
    x = 659,616.26

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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.