Home / 711,194.40-1,067,482.80-431,258.40

Finding the Fourth Proportional to 711,194.40, 1,067,482.80 and 431,258.40

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Solution

The fourth proportional to 711,194.40, 1,067,482.80 and 431,258.40 is: 647,306.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,194.40 : 1,067,482.80 = 431,258.40 : x
  2. Step 2: Convert to fraction form
    711,194.40/1,067,482.80 = 431,258.40/x
  3. Step 3: Cross multiply
    711,194.40x = 1,067,482.80 × 431,258.40
  4. Step 4: Simplify right side
    711,194.40x = 460,360,924,355.52
  5. Step 5: Solve for x
    x = 460,360,924,355.52/711,194.40
  6. Step 6: Final answer
    x = 647,306.73

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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.