Home / 913,474.19-1,370,112.86-239,623.04

Finding the Fourth Proportional to 913,474.19, 1,370,112.86 and 239,623.04

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Solution

The fourth proportional to 913,474.19, 1,370,112.86 and 239,623.04 is: 359,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,474.19 : 1,370,112.86 = 239,623.04 : x
  2. Step 2: Convert to fraction form
    913,474.19/1,370,112.86 = 239,623.04/x
  3. Step 3: Cross multiply
    913,474.19x = 1,370,112.86 × 239,623.04
  4. Step 4: Simplify right side
    913,474.19x = 328,310,600,607.62
  5. Step 5: Solve for x
    x = 328,310,600,607.62/913,474.19
  6. Step 6: Final answer
    x = 359,408.73

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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.