Home / 723,816.69-1,085,732.90-218,382.20

Finding the Fourth Proportional to 723,816.69, 1,085,732.90 and 218,382.20

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Solution

The fourth proportional to 723,816.69, 1,085,732.90 and 218,382.20 is: 327,575.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,816.69 : 1,085,732.90 = 218,382.20 : x
  2. Step 2: Convert to fraction form
    723,816.69/1,085,732.90 = 218,382.20/x
  3. Step 3: Cross multiply
    723,816.69x = 1,085,732.90 × 218,382.20
  4. Step 4: Simplify right side
    723,816.69x = 237,104,732,793.81
  5. Step 5: Solve for x
    x = 237,104,732,793.81/723,816.69
  6. Step 6: Final answer
    x = 327,575.66

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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.