Home / 712,308.16-1,068,517.80-206,877.40

Finding the Fourth Proportional to 712,308.16, 1,068,517.80 and 206,877.40

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Solution

The fourth proportional to 712,308.16, 1,068,517.80 and 206,877.40 is: 310,332.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,308.16 : 1,068,517.80 = 206,877.40 : x
  2. Step 2: Convert to fraction form
    712,308.16/1,068,517.80 = 206,877.40/x
  3. Step 3: Cross multiply
    712,308.16x = 1,068,517.80 × 206,877.40
  4. Step 4: Simplify right side
    712,308.16x = 221,052,184,317.72
  5. Step 5: Solve for x
    x = 221,052,184,317.72/712,308.16
  6. Step 6: Final answer
    x = 310,332.24

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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.