Home / 725,224.80-1,085,686.80-539,061.60

Finding the Fourth Proportional to 725,224.80, 1,085,686.80 and 539,061.60

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Solution

The fourth proportional to 725,224.80, 1,085,686.80 and 539,061.60 is: 806,994.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,224.80 : 1,085,686.80 = 539,061.60 : x
  2. Step 2: Convert to fraction form
    725,224.80/1,085,686.80 = 539,061.60/x
  3. Step 3: Cross multiply
    725,224.80x = 1,085,686.80 × 539,061.60
  4. Step 4: Simplify right side
    725,224.80x = 585,252,063,506.88
  5. Step 5: Solve for x
    x = 585,252,063,506.88/725,224.80
  6. Step 6: Final answer
    x = 806,994.00

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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.