Home / 955,987.47-1,434,028.85-272,975.63

Finding the Fourth Proportional to 955,987.47, 1,434,028.85 and 272,975.63

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Solution

The fourth proportional to 955,987.47, 1,434,028.85 and 272,975.63 is: 409,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,987.47 : 1,434,028.85 = 272,975.63 : x
  2. Step 2: Convert to fraction form
    955,987.47/1,434,028.85 = 272,975.63/x
  3. Step 3: Cross multiply
    955,987.47x = 1,434,028.85 × 272,975.63
  4. Step 4: Simplify right side
    955,987.47x = 391,454,928,766.93
  5. Step 5: Solve for x
    x = 391,454,928,766.93/955,987.47
  6. Step 6: Final answer
    x = 409,477.05

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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.