Home / 830,223.41-1,245,728.77-493,928.42

Finding the Fourth Proportional to 830,223.41, 1,245,728.77 and 493,928.42

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Solution

The fourth proportional to 830,223.41, 1,245,728.77 and 493,928.42 is: 741,126.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,223.41 : 1,245,728.77 = 493,928.42 : x
  2. Step 2: Convert to fraction form
    830,223.41/1,245,728.77 = 493,928.42/x
  3. Step 3: Cross multiply
    830,223.41x = 1,245,728.77 × 493,928.42
  4. Step 4: Simplify right side
    830,223.41x = 615,300,835,651.18
  5. Step 5: Solve for x
    x = 615,300,835,651.18/830,223.41
  6. Step 6: Final answer
    x = 741,126.82

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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.