Home / 704,919.47-972,789.62-382,629.51

Finding the Fourth Proportional to 704,919.47, 972,789.62 and 382,629.51

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Solution

The fourth proportional to 704,919.47, 972,789.62 and 382,629.51 is: 528,029.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,919.47 : 972,789.62 = 382,629.51 : x
  2. Step 2: Convert to fraction form
    704,919.47/972,789.62 = 382,629.51/x
  3. Step 3: Cross multiply
    704,919.47x = 972,789.62 × 382,629.51
  4. Step 4: Simplify right side
    704,919.47x = 372,218,013,720.54
  5. Step 5: Solve for x
    x = 372,218,013,720.54/704,919.47
  6. Step 6: Final answer
    x = 528,029.13

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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.