Home / 726,781.60-1,090,042.80-460,064.80

Finding the Fourth Proportional to 726,781.60, 1,090,042.80 and 460,064.80

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Solution

The fourth proportional to 726,781.60, 1,090,042.80 and 460,064.80 is: 690,015.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,781.60 : 1,090,042.80 = 460,064.80 : x
  2. Step 2: Convert to fraction form
    726,781.60/1,090,042.80 = 460,064.80/x
  3. Step 3: Cross multiply
    726,781.60x = 1,090,042.80 × 460,064.80
  4. Step 4: Simplify right side
    726,781.60x = 501,490,322,773.44
  5. Step 5: Solve for x
    x = 501,490,322,773.44/726,781.60
  6. Step 6: Final answer
    x = 690,015.16

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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.