Home / 755,201.81-1,132,805.76-305,931.16

Finding the Fourth Proportional to 755,201.81, 1,132,805.76 and 305,931.16

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Solution

The fourth proportional to 755,201.81, 1,132,805.76 and 305,931.16 is: 458,897.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,201.81 : 1,132,805.76 = 305,931.16 : x
  2. Step 2: Convert to fraction form
    755,201.81/1,132,805.76 = 305,931.16/x
  3. Step 3: Cross multiply
    755,201.81x = 1,132,805.76 × 305,931.16
  4. Step 4: Simplify right side
    755,201.81x = 346,560,580,480.25
  5. Step 5: Solve for x
    x = 346,560,580,480.25/755,201.81
  6. Step 6: Final answer
    x = 458,897.97

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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.