Home / 871,091.52-1,202,296.32-626,729.28

Finding the Fourth Proportional to 871,091.52, 1,202,296.32 and 626,729.28

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Solution

The fourth proportional to 871,091.52, 1,202,296.32 and 626,729.28 is: 865,023.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,091.52 : 1,202,296.32 = 626,729.28 : x
  2. Step 2: Convert to fraction form
    871,091.52/1,202,296.32 = 626,729.28/x
  3. Step 3: Cross multiply
    871,091.52x = 1,202,296.32 × 626,729.28
  4. Step 4: Simplify right side
    871,091.52x = 753,514,306,980.25
  5. Step 5: Solve for x
    x = 753,514,306,980.25/871,091.52
  6. Step 6: Final answer
    x = 865,023.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.