Home / 725,137.02-1,087,332.03-325,435.14

Finding the Fourth Proportional to 725,137.02, 1,087,332.03 and 325,435.14

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Solution

The fourth proportional to 725,137.02, 1,087,332.03 and 325,435.14 is: 487,985.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,137.02 : 1,087,332.03 = 325,435.14 : x
  2. Step 2: Convert to fraction form
    725,137.02/1,087,332.03 = 325,435.14/x
  3. Step 3: Cross multiply
    725,137.02x = 1,087,332.03 × 325,435.14
  4. Step 4: Simplify right side
    725,137.02x = 353,856,051,409.53
  5. Step 5: Solve for x
    x = 353,856,051,409.53/725,137.02
  6. Step 6: Final answer
    x = 487,985.09

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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.