Home / 866,030.94-1,300,224.42-487,218.24

Finding the Fourth Proportional to 866,030.94, 1,300,224.42 and 487,218.24

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Solution

The fourth proportional to 866,030.94, 1,300,224.42 and 487,218.24 is: 731,490.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,030.94 : 1,300,224.42 = 487,218.24 : x
  2. Step 2: Convert to fraction form
    866,030.94/1,300,224.42 = 487,218.24/x
  3. Step 3: Cross multiply
    866,030.94x = 1,300,224.42 × 487,218.24
  4. Step 4: Simplify right side
    866,030.94x = 633,493,053,517.42
  5. Step 5: Solve for x
    x = 633,493,053,517.42/866,030.94
  6. Step 6: Final answer
    x = 731,490.09

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Double scale
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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.