Home / 948,577.29-1,422,868.37-387,611.79

Finding the Fourth Proportional to 948,577.29, 1,422,868.37 and 387,611.79

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Solution

The fourth proportional to 948,577.29, 1,422,868.37 and 387,611.79 is: 581,418.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,577.29 : 1,422,868.37 = 387,611.79 : x
  2. Step 2: Convert to fraction form
    948,577.29/1,422,868.37 = 387,611.79/x
  3. Step 3: Cross multiply
    948,577.29x = 1,422,868.37 × 387,611.79
  4. Step 4: Simplify right side
    948,577.29x = 551,520,553,892.02
  5. Step 5: Solve for x
    x = 551,520,553,892.02/948,577.29
  6. Step 6: Final answer
    x = 581,418.68

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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.