Home / 712,612.41-1,069,022.96-207,107.72

Finding the Fourth Proportional to 712,612.41, 1,069,022.96 and 207,107.72

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Solution

The fourth proportional to 712,612.41, 1,069,022.96 and 207,107.72 is: 310,691.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,612.41 : 1,069,022.96 = 207,107.72 : x
  2. Step 2: Convert to fraction form
    712,612.41/1,069,022.96 = 207,107.72/x
  3. Step 3: Cross multiply
    712,612.41x = 1,069,022.96 × 207,107.72
  4. Step 4: Simplify right side
    712,612.41x = 221,402,907,873.25
  5. Step 5: Solve for x
    x = 221,402,907,873.25/712,612.41
  6. Step 6: Final answer
    x = 310,691.91

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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.