Home / 725,147.02-1,087,347.03-325,445.14

Finding the Fourth Proportional to 725,147.02, 1,087,347.03 and 325,445.14

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Solution

The fourth proportional to 725,147.02, 1,087,347.03 and 325,445.14 is: 488,000.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,147.02 : 1,087,347.03 = 325,445.14 : x
  2. Step 2: Convert to fraction form
    725,147.02/1,087,347.03 = 325,445.14/x
  3. Step 3: Cross multiply
    725,147.02x = 1,087,347.03 × 325,445.14
  4. Step 4: Simplify right side
    725,147.02x = 353,871,806,406.93
  5. Step 5: Solve for x
    x = 353,871,806,406.93/725,147.02
  6. Step 6: Final answer
    x = 488,000.08

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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.