Home / 939,530.52-1,409,344.92-265,661.10

Finding the Fourth Proportional to 939,530.52, 1,409,344.92 and 265,661.10

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Solution

The fourth proportional to 939,530.52, 1,409,344.92 and 265,661.10 is: 398,505.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,530.52 : 1,409,344.92 = 265,661.10 : x
  2. Step 2: Convert to fraction form
    939,530.52/1,409,344.92 = 265,661.10/x
  3. Step 3: Cross multiply
    939,530.52x = 1,409,344.92 × 265,661.10
  4. Step 4: Simplify right side
    939,530.52x = 374,408,121,726.61
  5. Step 5: Solve for x
    x = 374,408,121,726.61/939,530.52
  6. Step 6: Final answer
    x = 398,505.54

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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.