Home / 830,046.20-1,245,069.30-711,948.20

Finding the Fourth Proportional to 830,046.20, 1,245,069.30 and 711,948.20

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Solution

The fourth proportional to 830,046.20, 1,245,069.30 and 711,948.20 is: 1,067,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,046.20 : 1,245,069.30 = 711,948.20 : x
  2. Step 2: Convert to fraction form
    830,046.20/1,245,069.30 = 711,948.20/x
  3. Step 3: Cross multiply
    830,046.20x = 1,245,069.30 × 711,948.20
  4. Step 4: Simplify right side
    830,046.20x = 886,424,847,010.26
  5. Step 5: Solve for x
    x = 886,424,847,010.26/830,046.20
  6. Step 6: Final answer
    x = 1,067,922.30

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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.