Home / 755,092.16-1,041,792.48-428,351.36

Finding the Fourth Proportional to 755,092.16, 1,041,792.48 and 428,351.36

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Solution

The fourth proportional to 755,092.16, 1,041,792.48 and 428,351.36 is: 590,991.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,092.16 : 1,041,792.48 = 428,351.36 : x
  2. Step 2: Convert to fraction form
    755,092.16/1,041,792.48 = 428,351.36/x
  3. Step 3: Cross multiply
    755,092.16x = 1,041,792.48 × 428,351.36
  4. Step 4: Simplify right side
    755,092.16x = 446,253,225,645.77
  5. Step 5: Solve for x
    x = 446,253,225,645.77/755,092.16
  6. Step 6: Final answer
    x = 590,991.73

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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.