Home / 712,609.41-1,069,018.46-207,104.72

Finding the Fourth Proportional to 712,609.41, 1,069,018.46 and 207,104.72

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Solution

The fourth proportional to 712,609.41, 1,069,018.46 and 207,104.72 is: 310,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,609.41 : 1,069,018.46 = 207,104.72 : x
  2. Step 2: Convert to fraction form
    712,609.41/1,069,018.46 = 207,104.72/x
  3. Step 3: Cross multiply
    712,609.41x = 1,069,018.46 × 207,104.72
  4. Step 4: Simplify right side
    712,609.41x = 221,398,763,229.16
  5. Step 5: Solve for x
    x = 221,398,763,229.16/712,609.41
  6. Step 6: Final answer
    x = 310,687.40

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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.