Home / 725,097.30-1,087,213.95-444,815.70

Finding the Fourth Proportional to 725,097.30, 1,087,213.95 and 444,815.70

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Solution

The fourth proportional to 725,097.30, 1,087,213.95 and 444,815.70 is: 666,958.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,097.30 : 1,087,213.95 = 444,815.70 : x
  2. Step 2: Convert to fraction form
    725,097.30/1,087,213.95 = 444,815.70/x
  3. Step 3: Cross multiply
    725,097.30x = 1,087,213.95 × 444,815.70
  4. Step 4: Simplify right side
    725,097.30x = 483,609,834,219.02
  5. Step 5: Solve for x
    x = 483,609,834,219.02/725,097.30
  6. Step 6: Final answer
    x = 666,958.54

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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.