Home / 712,450.60-1,067,768.70-291,250.60

Finding the Fourth Proportional to 712,450.60, 1,067,768.70 and 291,250.60

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Solution

The fourth proportional to 712,450.60, 1,067,768.70 and 291,250.60 is: 436,505.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,450.60 : 1,067,768.70 = 291,250.60 : x
  2. Step 2: Convert to fraction form
    712,450.60/1,067,768.70 = 291,250.60/x
  3. Step 3: Cross multiply
    712,450.60x = 1,067,768.70 × 291,250.60
  4. Step 4: Simplify right side
    712,450.60x = 310,988,274,536.22
  5. Step 5: Solve for x
    x = 310,988,274,536.22/712,450.60
  6. Step 6: Final answer
    x = 436,505.04

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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.