Home / 948,540.42-1,422,813.05-387,574.92

Finding the Fourth Proportional to 948,540.42, 1,422,813.05 and 387,574.92

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Solution

The fourth proportional to 948,540.42, 1,422,813.05 and 387,574.92 is: 581,363.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,540.42 : 1,422,813.05 = 387,574.92 : x
  2. Step 2: Convert to fraction form
    948,540.42/1,422,813.05 = 387,574.92/x
  3. Step 3: Cross multiply
    948,540.42x = 1,422,813.05 × 387,574.92
  4. Step 4: Simplify right side
    948,540.42x = 551,446,654,028.71
  5. Step 5: Solve for x
    x = 551,446,654,028.71/948,540.42
  6. Step 6: Final answer
    x = 581,363.37

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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.