Home / 750,454.89-1,035,628.19-406,290.92

Finding the Fourth Proportional to 750,454.89, 1,035,628.19 and 406,290.92

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Solution

The fourth proportional to 750,454.89, 1,035,628.19 and 406,290.92 is: 560,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,454.89 : 1,035,628.19 = 406,290.92 : x
  2. Step 2: Convert to fraction form
    750,454.89/1,035,628.19 = 406,290.92/x
  3. Step 3: Cross multiply
    750,454.89x = 1,035,628.19 × 406,290.92
  4. Step 4: Simplify right side
    750,454.89x = 420,766,322,883.44
  5. Step 5: Solve for x
    x = 420,766,322,883.44/750,454.89
  6. Step 6: Final answer
    x = 560,681.70

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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.