Home / 791,330.70-1,186,996.05-756,776.10

Finding the Fourth Proportional to 791,330.70, 1,186,996.05 and 756,776.10

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Solution

The fourth proportional to 791,330.70, 1,186,996.05 and 756,776.10 is: 1,135,164.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,330.70 : 1,186,996.05 = 756,776.10 : x
  2. Step 2: Convert to fraction form
    791,330.70/1,186,996.05 = 756,776.10/x
  3. Step 3: Cross multiply
    791,330.70x = 1,186,996.05 × 756,776.10
  4. Step 4: Simplify right side
    791,330.70x = 898,290,241,434.41
  5. Step 5: Solve for x
    x = 898,290,241,434.41/791,330.70
  6. Step 6: Final answer
    x = 1,135,164.15

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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.