Home / 780,235.94-1,170,350.27-247,798.04

Finding the Fourth Proportional to 780,235.94, 1,170,350.27 and 247,798.04

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Solution

The fourth proportional to 780,235.94, 1,170,350.27 and 247,798.04 is: 371,695.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,235.94 : 1,170,350.27 = 247,798.04 : x
  2. Step 2: Convert to fraction form
    780,235.94/1,170,350.27 = 247,798.04/x
  3. Step 3: Cross multiply
    780,235.94x = 1,170,350.27 × 247,798.04
  4. Step 4: Simplify right side
    780,235.94x = 290,010,496,857.97
  5. Step 5: Solve for x
    x = 290,010,496,857.97/780,235.94
  6. Step 6: Final answer
    x = 371,695.89

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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.