Home / 866,294.20-1,299,626.72-259,130.16

Finding the Fourth Proportional to 866,294.20, 1,299,626.72 and 259,130.16

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Solution

The fourth proportional to 866,294.20, 1,299,626.72 and 259,130.16 is: 388,750.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,294.20 : 1,299,626.72 = 259,130.16 : x
  2. Step 2: Convert to fraction form
    866,294.20/1,299,626.72 = 259,130.16/x
  3. Step 3: Cross multiply
    866,294.20x = 1,299,626.72 × 259,130.16
  4. Step 4: Simplify right side
    866,294.20x = 336,772,479,893.88
  5. Step 5: Solve for x
    x = 336,772,479,893.88/866,294.20
  6. Step 6: Final answer
    x = 388,750.70

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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.