Home / 907,081.60-1,360,819.20-275,979.04

Finding the Fourth Proportional to 907,081.60, 1,360,819.20 and 275,979.04

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Solution

The fourth proportional to 907,081.60, 1,360,819.20 and 275,979.04 is: 414,028.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,081.60 : 1,360,819.20 = 275,979.04 : x
  2. Step 2: Convert to fraction form
    907,081.60/1,360,819.20 = 275,979.04/x
  3. Step 3: Cross multiply
    907,081.60x = 1,360,819.20 × 275,979.04
  4. Step 4: Simplify right side
    907,081.60x = 375,557,576,429.57
  5. Step 5: Solve for x
    x = 375,557,576,429.57/907,081.60
  6. Step 6: Final answer
    x = 414,028.44

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1.5x scale

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.