Home / 830,225.41-1,245,731.77-493,930.42

Finding the Fourth Proportional to 830,225.41, 1,245,731.77 and 493,930.42

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Solution

The fourth proportional to 830,225.41, 1,245,731.77 and 493,930.42 is: 741,129.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,225.41 : 1,245,731.77 = 493,930.42 : x
  2. Step 2: Convert to fraction form
    830,225.41/1,245,731.77 = 493,930.42/x
  3. Step 3: Cross multiply
    830,225.41x = 1,245,731.77 × 493,930.42
  4. Step 4: Simplify right side
    830,225.41x = 615,304,816,363.44
  5. Step 5: Solve for x
    x = 615,304,816,363.44/830,225.41
  6. Step 6: Final answer
    x = 741,129.83

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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.