Home / 866,861.60-1,300,292.40-305,896.10

Finding the Fourth Proportional to 866,861.60, 1,300,292.40 and 305,896.10

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Solution

The fourth proportional to 866,861.60, 1,300,292.40 and 305,896.10 is: 458,844.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,861.60 : 1,300,292.40 = 305,896.10 : x
  2. Step 2: Convert to fraction form
    866,861.60/1,300,292.40 = 305,896.10/x
  3. Step 3: Cross multiply
    866,861.60x = 1,300,292.40 × 305,896.10
  4. Step 4: Simplify right side
    866,861.60x = 397,754,374,019.64
  5. Step 5: Solve for x
    x = 397,754,374,019.64/866,861.60
  6. Step 6: Final answer
    x = 458,844.15

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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.