Home / 850,448.13-1,275,256.44-371,081.04

Finding the Fourth Proportional to 850,448.13, 1,275,256.44 and 371,081.04

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Solution

The fourth proportional to 850,448.13, 1,275,256.44 and 371,081.04 is: 556,440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,448.13 : 1,275,256.44 = 371,081.04 : x
  2. Step 2: Convert to fraction form
    850,448.13/1,275,256.44 = 371,081.04/x
  3. Step 3: Cross multiply
    850,448.13x = 1,275,256.44 × 371,081.04
  4. Step 4: Simplify right side
    850,448.13x = 473,223,486,021.90
  5. Step 5: Solve for x
    x = 473,223,486,021.90/850,448.13
  6. Step 6: Final answer
    x = 556,440.15

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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.