Home / 763,301.70-1,144,952.55-202,392.90

Finding the Fourth Proportional to 763,301.70, 1,144,952.55 and 202,392.90

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Solution

The fourth proportional to 763,301.70, 1,144,952.55 and 202,392.90 is: 303,589.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,301.70 : 1,144,952.55 = 202,392.90 : x
  2. Step 2: Convert to fraction form
    763,301.70/1,144,952.55 = 202,392.90/x
  3. Step 3: Cross multiply
    763,301.70x = 1,144,952.55 × 202,392.90
  4. Step 4: Simplify right side
    763,301.70x = 231,730,266,956.90
  5. Step 5: Solve for x
    x = 231,730,266,956.90/763,301.70
  6. Step 6: Final answer
    x = 303,589.35

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Double scale
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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.