Home / 780,236.94-1,170,351.77-247,799.04

Finding the Fourth Proportional to 780,236.94, 1,170,351.77 and 247,799.04

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Solution

The fourth proportional to 780,236.94, 1,170,351.77 and 247,799.04 is: 371,697.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,236.94 : 1,170,351.77 = 247,799.04 : x
  2. Step 2: Convert to fraction form
    780,236.94/1,170,351.77 = 247,799.04/x
  3. Step 3: Cross multiply
    780,236.94x = 1,170,351.77 × 247,799.04
  4. Step 4: Simplify right side
    780,236.94x = 290,012,045,068.30
  5. Step 5: Solve for x
    x = 290,012,045,068.30/780,236.94
  6. Step 6: Final answer
    x = 371,697.40

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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.