Home / 714,915.15-1,072,520.37-209,492.61

Finding the Fourth Proportional to 714,915.15, 1,072,520.37 and 209,492.61

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Solution

The fourth proportional to 714,915.15, 1,072,520.37 and 209,492.61 is: 314,282.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,915.15 : 1,072,520.37 = 209,492.61 : x
  2. Step 2: Convert to fraction form
    714,915.15/1,072,520.37 = 209,492.61/x
  3. Step 3: Cross multiply
    714,915.15x = 1,072,520.37 × 209,492.61
  4. Step 4: Simplify right side
    714,915.15x = 224,685,091,589.47
  5. Step 5: Solve for x
    x = 224,685,091,589.47/714,915.15
  6. Step 6: Final answer
    x = 314,282.18

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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.