Home / 725,159.80-1,087,307.70-444,878.20

Finding the Fourth Proportional to 725,159.80, 1,087,307.70 and 444,878.20

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Solution

The fourth proportional to 725,159.80, 1,087,307.70 and 444,878.20 is: 667,052.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,159.80 : 1,087,307.70 = 444,878.20 : x
  2. Step 2: Convert to fraction form
    725,159.80/1,087,307.70 = 444,878.20/x
  3. Step 3: Cross multiply
    725,159.80x = 1,087,307.70 × 444,878.20
  4. Step 4: Simplify right side
    725,159.80x = 483,719,492,422.14
  5. Step 5: Solve for x
    x = 483,719,492,422.14/725,159.80
  6. Step 6: Final answer
    x = 667,052.27

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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.