Home / 723,874.24-1,085,819.71-218,439.59

Finding the Fourth Proportional to 723,874.24, 1,085,819.71 and 218,439.59

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Solution

The fourth proportional to 723,874.24, 1,085,819.71 and 218,439.59 is: 327,661.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,874.24 : 1,085,819.71 = 218,439.59 : x
  2. Step 2: Convert to fraction form
    723,874.24/1,085,819.71 = 218,439.59/x
  3. Step 3: Cross multiply
    723,874.24x = 1,085,819.71 × 218,439.59
  4. Step 4: Simplify right side
    723,874.24x = 237,186,012,266.32
  5. Step 5: Solve for x
    x = 237,186,012,266.32/723,874.24
  6. Step 6: Final answer
    x = 327,661.91

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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.