Home / 725,075.80-1,087,613.70-538,451.80

Finding the Fourth Proportional to 725,075.80, 1,087,613.70 and 538,451.80

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Solution

The fourth proportional to 725,075.80, 1,087,613.70 and 538,451.80 is: 807,677.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,075.80 : 1,087,613.70 = 538,451.80 : x
  2. Step 2: Convert to fraction form
    725,075.80/1,087,613.70 = 538,451.80/x
  3. Step 3: Cross multiply
    725,075.80x = 1,087,613.70 × 538,451.80
  4. Step 4: Simplify right side
    725,075.80x = 585,627,554,469.66
  5. Step 5: Solve for x
    x = 585,627,554,469.66/725,075.80
  6. Step 6: Final answer
    x = 807,677.70

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1.5x scale

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.