Home / 890,358.56-1,334,847.60-440,769.44

Finding the Fourth Proportional to 890,358.56, 1,334,847.60 and 440,769.44

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Solution

The fourth proportional to 890,358.56, 1,334,847.60 and 440,769.44 is: 660,812.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,358.56 : 1,334,847.60 = 440,769.44 : x
  2. Step 2: Convert to fraction form
    890,358.56/1,334,847.60 = 440,769.44/x
  3. Step 3: Cross multiply
    890,358.56x = 1,334,847.60 × 440,769.44
  4. Step 4: Simplify right side
    890,358.56x = 588,360,029,137.34
  5. Step 5: Solve for x
    x = 588,360,029,137.34/890,358.56
  6. Step 6: Final answer
    x = 660,812.46

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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.