Home / 720,002.40-1,080,003.60-454,581.60

Finding the Fourth Proportional to 720,002.40, 1,080,003.60 and 454,581.60

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Solution

The fourth proportional to 720,002.40, 1,080,003.60 and 454,581.60 is: 681,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,002.40 : 1,080,003.60 = 454,581.60 : x
  2. Step 2: Convert to fraction form
    720,002.40/1,080,003.60 = 454,581.60/x
  3. Step 3: Cross multiply
    720,002.40x = 1,080,003.60 × 454,581.60
  4. Step 4: Simplify right side
    720,002.40x = 490,949,764,493.76
  5. Step 5: Solve for x
    x = 490,949,764,493.76/720,002.40
  6. Step 6: Final answer
    x = 681,872.40

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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.