Home / 948,554.29-1,422,833.87-387,588.79

Finding the Fourth Proportional to 948,554.29, 1,422,833.87 and 387,588.79

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Solution

The fourth proportional to 948,554.29, 1,422,833.87 and 387,588.79 is: 581,384.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,554.29 : 1,422,833.87 = 387,588.79 : x
  2. Step 2: Convert to fraction form
    948,554.29/1,422,833.87 = 387,588.79/x
  3. Step 3: Cross multiply
    948,554.29x = 1,422,833.87 × 387,588.79
  4. Step 4: Simplify right side
    948,554.29x = 551,474,458,044.32
  5. Step 5: Solve for x
    x = 551,474,458,044.32/948,554.29
  6. Step 6: Final answer
    x = 581,384.18

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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.