Home / 763,291.20-1,144,936.80-202,382.40

Finding the Fourth Proportional to 763,291.20, 1,144,936.80 and 202,382.40

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Solution

The fourth proportional to 763,291.20, 1,144,936.80 and 202,382.40 is: 303,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,291.20 : 1,144,936.80 = 202,382.40 : x
  2. Step 2: Convert to fraction form
    763,291.20/1,144,936.80 = 202,382.40/x
  3. Step 3: Cross multiply
    763,291.20x = 1,144,936.80 × 202,382.40
  4. Step 4: Simplify right side
    763,291.20x = 231,715,057,432.32
  5. Step 5: Solve for x
    x = 231,715,057,432.32/763,291.20
  6. Step 6: Final answer
    x = 303,573.60

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Similar ratio
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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.