Home / 750,902.09-1,126,500.15-330,176.75

Finding the Fourth Proportional to 750,902.09, 1,126,500.15 and 330,176.75

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Solution

The fourth proportional to 750,902.09, 1,126,500.15 and 330,176.75 is: 495,329.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,902.09 : 1,126,500.15 = 330,176.75 : x
  2. Step 2: Convert to fraction form
    750,902.09/1,126,500.15 = 330,176.75/x
  3. Step 3: Cross multiply
    750,902.09x = 1,126,500.15 × 330,176.75
  4. Step 4: Simplify right side
    750,902.09x = 371,944,158,401.51
  5. Step 5: Solve for x
    x = 371,944,158,401.51/750,902.09
  6. Step 6: Final answer
    x = 495,329.77

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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.