Home / 723,810.87-1,085,724.13-218,376.24

Finding the Fourth Proportional to 723,810.87, 1,085,724.13 and 218,376.24

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Solution

The fourth proportional to 723,810.87, 1,085,724.13 and 218,376.24 is: 327,566.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,810.87 : 1,085,724.13 = 218,376.24 : x
  2. Step 2: Convert to fraction form
    723,810.87/1,085,724.13 = 218,376.24/x
  3. Step 3: Cross multiply
    723,810.87x = 1,085,724.13 × 218,376.24
  4. Step 4: Simplify right side
    723,810.87x = 237,096,353,186.67
  5. Step 5: Solve for x
    x = 237,096,353,186.67/723,810.87
  6. Step 6: Final answer
    x = 327,566.72

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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.