Home / 756,086.40-1,134,129.60-282,673.80

Finding the Fourth Proportional to 756,086.40, 1,134,129.60 and 282,673.80

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Solution

The fourth proportional to 756,086.40, 1,134,129.60 and 282,673.80 is: 424,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,086.40 : 1,134,129.60 = 282,673.80 : x
  2. Step 2: Convert to fraction form
    756,086.40/1,134,129.60 = 282,673.80/x
  3. Step 3: Cross multiply
    756,086.40x = 1,134,129.60 × 282,673.80
  4. Step 4: Simplify right side
    756,086.40x = 320,588,723,724.48
  5. Step 5: Solve for x
    x = 320,588,723,724.48/756,086.40
  6. Step 6: Final answer
    x = 424,010.70

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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.