Home / 712,257.81-1,068,442.04-206,827.12

Finding the Fourth Proportional to 712,257.81, 1,068,442.04 and 206,827.12

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Solution

The fourth proportional to 712,257.81, 1,068,442.04 and 206,827.12 is: 310,256.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,257.81 : 1,068,442.04 = 206,827.12 : x
  2. Step 2: Convert to fraction form
    712,257.81/1,068,442.04 = 206,827.12/x
  3. Step 3: Cross multiply
    712,257.81x = 1,068,442.04 × 206,827.12
  4. Step 4: Simplify right side
    712,257.81x = 220,982,791,872.75
  5. Step 5: Solve for x
    x = 220,982,791,872.75/712,257.81
  6. Step 6: Final answer
    x = 310,256.75

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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.