Home / 914,763.20-1,372,020.25-240,788.08

Finding the Fourth Proportional to 914,763.20, 1,372,020.25 and 240,788.08

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Solution

The fourth proportional to 914,763.20, 1,372,020.25 and 240,788.08 is: 361,149.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,763.20 : 1,372,020.25 = 240,788.08 : x
  2. Step 2: Convert to fraction form
    914,763.20/1,372,020.25 = 240,788.08/x
  3. Step 3: Cross multiply
    914,763.20x = 1,372,020.25 × 240,788.08
  4. Step 4: Simplify right side
    914,763.20x = 330,366,121,718.62
  5. Step 5: Solve for x
    x = 330,366,121,718.62/914,763.20
  6. Step 6: Final answer
    x = 361,149.34

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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.