Home / 780,250.13-1,170,415.68-247,812.83

Finding the Fourth Proportional to 780,250.13, 1,170,415.68 and 247,812.83

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Solution

The fourth proportional to 780,250.13, 1,170,415.68 and 247,812.83 is: 371,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,250.13 : 1,170,415.68 = 247,812.83 : x
  2. Step 2: Convert to fraction form
    780,250.13/1,170,415.68 = 247,812.83/x
  3. Step 3: Cross multiply
    780,250.13x = 1,170,415.68 × 247,812.83
  4. Step 4: Simplify right side
    780,250.13x = 290,044,021,937.17
  5. Step 5: Solve for x
    x = 290,044,021,937.17/780,250.13
  6. Step 6: Final answer
    x = 371,732.10

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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.