Home / 547,207.40-820,734.30-173,268.20

Finding the Fourth Proportional to 547,207.40, 820,734.30 and 173,268.20

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Solution

The fourth proportional to 547,207.40, 820,734.30 and 173,268.20 is: 259,877.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,207.40 : 820,734.30 = 173,268.20 : x
  2. Step 2: Convert to fraction form
    547,207.40/820,734.30 = 173,268.20/x
  3. Step 3: Cross multiply
    547,207.40x = 820,734.30 × 173,268.20
  4. Step 4: Simplify right side
    547,207.40x = 142,207,154,839.26
  5. Step 5: Solve for x
    x = 142,207,154,839.26/547,207.40
  6. Step 6: Final answer
    x = 259,877.98

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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.