Home / 914,763.78-1,372,021.09-240,788.64

Finding the Fourth Proportional to 914,763.78, 1,372,021.09 and 240,788.64

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Solution

The fourth proportional to 914,763.78, 1,372,021.09 and 240,788.64 is: 361,150.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,763.78 : 1,372,021.09 = 240,788.64 : x
  2. Step 2: Convert to fraction form
    914,763.78/1,372,021.09 = 240,788.64/x
  3. Step 3: Cross multiply
    914,763.78x = 1,372,021.09 × 240,788.64
  4. Step 4: Simplify right side
    914,763.78x = 330,367,092,312.42
  5. Step 5: Solve for x
    x = 330,367,092,312.42/914,763.78
  6. Step 6: Final answer
    x = 361,150.17

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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.