Home / 830,318.18-1,245,870.90-494,023.18

Finding the Fourth Proportional to 830,318.18, 1,245,870.90 and 494,023.18

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Solution

The fourth proportional to 830,318.18, 1,245,870.90 and 494,023.18 is: 741,268.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,318.18 : 1,245,870.90 = 494,023.18 : x
  2. Step 2: Convert to fraction form
    830,318.18/1,245,870.90 = 494,023.18/x
  3. Step 3: Cross multiply
    830,318.18x = 1,245,870.90 × 494,023.18
  4. Step 4: Simplify right side
    830,318.18x = 615,489,103,887.46
  5. Step 5: Solve for x
    x = 615,489,103,887.46/830,318.18
  6. Step 6: Final answer
    x = 741,268.97

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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.