Home / 780,785.12-1,171,294.20-248,323.52

Finding the Fourth Proportional to 780,785.12, 1,171,294.20 and 248,323.52

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Solution

The fourth proportional to 780,785.12, 1,171,294.20 and 248,323.52 is: 372,522.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,785.12 : 1,171,294.20 = 248,323.52 : x
  2. Step 2: Convert to fraction form
    780,785.12/1,171,294.20 = 248,323.52/x
  3. Step 3: Cross multiply
    780,785.12x = 1,171,294.20 × 248,323.52
  4. Step 4: Simplify right side
    780,785.12x = 290,859,898,699.58
  5. Step 5: Solve for x
    x = 290,859,898,699.58/780,785.12
  6. Step 6: Final answer
    x = 372,522.34

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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.