Home / 855,142.47-1,282,913.33-247,943.48

Finding the Fourth Proportional to 855,142.47, 1,282,913.33 and 247,943.48

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Solution

The fourth proportional to 855,142.47, 1,282,913.33 and 247,943.48 is: 371,973.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,142.47 : 1,282,913.33 = 247,943.48 : x
  2. Step 2: Convert to fraction form
    855,142.47/1,282,913.33 = 247,943.48/x
  3. Step 3: Cross multiply
    855,142.47x = 1,282,913.33 × 247,943.48
  4. Step 4: Simplify right side
    855,142.47x = 318,089,987,924.30
  5. Step 5: Solve for x
    x = 318,089,987,924.30/855,142.47
  6. Step 6: Final answer
    x = 371,973.09

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1.5x scale

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.