Home / 750,914.60-1,126,518.90-330,189.24

Finding the Fourth Proportional to 750,914.60, 1,126,518.90 and 330,189.24

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Solution

The fourth proportional to 750,914.60, 1,126,518.90 and 330,189.24 is: 495,348.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,914.60 : 1,126,518.90 = 330,189.24 : x
  2. Step 2: Convert to fraction form
    750,914.60/1,126,518.90 = 330,189.24/x
  3. Step 3: Cross multiply
    750,914.60x = 1,126,518.90 × 330,189.24
  4. Step 4: Simplify right side
    750,914.60x = 371,964,419,436.64
  5. Step 5: Solve for x
    x = 371,964,419,436.64/750,914.60
  6. Step 6: Final answer
    x = 495,348.50

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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.