Home / 684,521.15-1,025,209.56-341,912.96

Finding the Fourth Proportional to 684,521.15, 1,025,209.56 and 341,912.96

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Solution

The fourth proportional to 684,521.15, 1,025,209.56 and 341,912.96 is: 512,084.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,521.15 : 1,025,209.56 = 341,912.96 : x
  2. Step 2: Convert to fraction form
    684,521.15/1,025,209.56 = 341,912.96/x
  3. Step 3: Cross multiply
    684,521.15x = 1,025,209.56 × 341,912.96
  4. Step 4: Simplify right side
    684,521.15x = 350,532,439,124.10
  5. Step 5: Solve for x
    x = 350,532,439,124.10/684,521.15
  6. Step 6: Final answer
    x = 512,084.17

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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.