Home / 928,971.82-1,393,459.91-255,062.35

Finding the Fourth Proportional to 928,971.82, 1,393,459.91 and 255,062.35

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Solution

The fourth proportional to 928,971.82, 1,393,459.91 and 255,062.35 is: 382,594.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,971.82 : 1,393,459.91 = 255,062.35 : x
  2. Step 2: Convert to fraction form
    928,971.82/1,393,459.91 = 255,062.35/x
  3. Step 3: Cross multiply
    928,971.82x = 1,393,459.91 × 255,062.35
  4. Step 4: Simplify right side
    928,971.82x = 355,419,159,275.39
  5. Step 5: Solve for x
    x = 355,419,159,275.39/928,971.82
  6. Step 6: Final answer
    x = 382,594.12

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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.