Home / 872,169.30-1,204,070.13-528,064.02

Finding the Fourth Proportional to 872,169.30, 1,204,070.13 and 528,064.02

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Solution

The fourth proportional to 872,169.30, 1,204,070.13 and 528,064.02 is: 729,016.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,169.30 : 1,204,070.13 = 528,064.02 : x
  2. Step 2: Convert to fraction form
    872,169.30/1,204,070.13 = 528,064.02/x
  3. Step 3: Cross multiply
    872,169.30x = 1,204,070.13 × 528,064.02
  4. Step 4: Simplify right side
    872,169.30x = 635,826,113,209.72
  5. Step 5: Solve for x
    x = 635,826,113,209.72/872,169.30
  6. Step 6: Final answer
    x = 729,016.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.