Home / 780,647.52-1,170,034.07-401,747.04

Finding the Fourth Proportional to 780,647.52, 1,170,034.07 and 401,747.04

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Solution

The fourth proportional to 780,647.52, 1,170,034.07 and 401,747.04 is: 602,138.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,647.52 : 1,170,034.07 = 401,747.04 : x
  2. Step 2: Convert to fraction form
    780,647.52/1,170,034.07 = 401,747.04/x
  3. Step 3: Cross multiply
    780,647.52x = 1,170,034.07 × 401,747.04
  4. Step 4: Simplify right side
    780,647.52x = 470,057,722,312.92
  5. Step 5: Solve for x
    x = 470,057,722,312.92/780,647.52
  6. Step 6: Final answer
    x = 602,138.24

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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.