Home / 872,886.90-1,309,331.94-273,894.06

Finding the Fourth Proportional to 872,886.90, 1,309,331.94 and 273,894.06

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Solution

The fourth proportional to 872,886.90, 1,309,331.94 and 273,894.06 is: 410,841.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,886.90 : 1,309,331.94 = 273,894.06 : x
  2. Step 2: Convert to fraction form
    872,886.90/1,309,331.94 = 273,894.06/x
  3. Step 3: Cross multiply
    872,886.90x = 1,309,331.94 × 273,894.06
  4. Step 4: Simplify right side
    872,886.90x = 358,618,240,934.28
  5. Step 5: Solve for x
    x = 358,618,240,934.28/872,886.90
  6. Step 6: Final answer
    x = 410,841.59

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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.