Home / 750,791.61-1,036,277.82-428,688.54

Finding the Fourth Proportional to 750,791.61, 1,036,277.82 and 428,688.54

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Solution

The fourth proportional to 750,791.61, 1,036,277.82 and 428,688.54 is: 591,696.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,791.61 : 1,036,277.82 = 428,688.54 : x
  2. Step 2: Convert to fraction form
    750,791.61/1,036,277.82 = 428,688.54/x
  3. Step 3: Cross multiply
    750,791.61x = 1,036,277.82 × 428,688.54
  4. Step 4: Simplify right side
    750,791.61x = 444,240,425,690.18
  5. Step 5: Solve for x
    x = 444,240,425,690.18/750,791.61
  6. Step 6: Final answer
    x = 591,696.04

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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.