Home / 750,573.73-1,035,776.93-428,231.80

Finding the Fourth Proportional to 750,573.73, 1,035,776.93 and 428,231.80

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Solution

The fourth proportional to 750,573.73, 1,035,776.93 and 428,231.80 is: 590,951.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,573.73 : 1,035,776.93 = 428,231.80 : x
  2. Step 2: Convert to fraction form
    750,573.73/1,035,776.93 = 428,231.80/x
  3. Step 3: Cross multiply
    750,573.73x = 1,035,776.93 × 428,231.80
  4. Step 4: Simplify right side
    750,573.73x = 443,552,619,132.37
  5. Step 5: Solve for x
    x = 443,552,619,132.37/750,573.73
  6. Step 6: Final answer
    x = 590,951.43

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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.