Home / 763,961.48-1,145,548.02-342,877.04

Finding the Fourth Proportional to 763,961.48, 1,145,548.02 and 342,877.04

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Solution

The fourth proportional to 763,961.48, 1,145,548.02 and 342,877.04 is: 514,138.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,961.48 : 1,145,548.02 = 342,877.04 : x
  2. Step 2: Convert to fraction form
    763,961.48/1,145,548.02 = 342,877.04/x
  3. Step 3: Cross multiply
    763,961.48x = 1,145,548.02 × 342,877.04
  4. Step 4: Simplify right side
    763,961.48x = 392,782,114,275.46
  5. Step 5: Solve for x
    x = 392,782,114,275.46/763,961.48
  6. Step 6: Final answer
    x = 514,138.64

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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.