Home / 656,348.13-905,761.22-354,542.13

Finding the Fourth Proportional to 656,348.13, 905,761.22 and 354,542.13

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Solution

The fourth proportional to 656,348.13, 905,761.22 and 354,542.13 is: 489,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,348.13 : 905,761.22 = 354,542.13 : x
  2. Step 2: Convert to fraction form
    656,348.13/905,761.22 = 354,542.13/x
  3. Step 3: Cross multiply
    656,348.13x = 905,761.22 × 354,542.13
  4. Step 4: Simplify right side
    656,348.13x = 321,130,512,210.20
  5. Step 5: Solve for x
    x = 321,130,512,210.20/656,348.13
  6. Step 6: Final answer
    x = 489,268.57

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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.