Home / 763,945.48-1,145,524.02-342,861.04

Finding the Fourth Proportional to 763,945.48, 1,145,524.02 and 342,861.04

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Solution

The fourth proportional to 763,945.48, 1,145,524.02 and 342,861.04 is: 514,114.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,945.48 : 1,145,524.02 = 342,861.04 : x
  2. Step 2: Convert to fraction form
    763,945.48/1,145,524.02 = 342,861.04/x
  3. Step 3: Cross multiply
    763,945.48x = 1,145,524.02 × 342,861.04
  4. Step 4: Simplify right side
    763,945.48x = 392,755,556,842.18
  5. Step 5: Solve for x
    x = 392,755,556,842.18/763,945.48
  6. Step 6: Final answer
    x = 514,114.64

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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.