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Finding the Fourth Proportional to 560,850.68, 840,576.18 and 280,448.12

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Solution

The fourth proportional to 560,850.68, 840,576.18 and 280,448.12 is: 420,322.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,850.68 : 840,576.18 = 280,448.12 : x
  2. Step 2: Convert to fraction form
    560,850.68/840,576.18 = 280,448.12/x
  3. Step 3: Cross multiply
    560,850.68x = 840,576.18 × 280,448.12
  4. Step 4: Simplify right side
    560,850.68x = 235,738,009,397.78
  5. Step 5: Solve for x
    x = 235,738,009,397.78/560,850.68
  6. Step 6: Final answer
    x = 420,322.23

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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.