Home / 750,342.52-1,035,475.16-406,178.36

Finding the Fourth Proportional to 750,342.52, 1,035,475.16 and 406,178.36

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Solution

The fourth proportional to 750,342.52, 1,035,475.16 and 406,178.36 is: 560,527.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,342.52 : 1,035,475.16 = 406,178.36 : x
  2. Step 2: Convert to fraction form
    750,342.52/1,035,475.16 = 406,178.36/x
  3. Step 3: Cross multiply
    750,342.52x = 1,035,475.16 × 406,178.36
  4. Step 4: Simplify right side
    750,342.52x = 420,587,599,745.89
  5. Step 5: Solve for x
    x = 420,587,599,745.89/750,342.52
  6. Step 6: Final answer
    x = 560,527.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.