Home / 548,745.15-823,117.73-312,549.15

Finding the Fourth Proportional to 548,745.15, 823,117.73 and 312,549.15

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Solution

The fourth proportional to 548,745.15, 823,117.73 and 312,549.15 is: 468,823.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,745.15 : 823,117.73 = 312,549.15 : x
  2. Step 2: Convert to fraction form
    548,745.15/823,117.73 = 312,549.15/x
  3. Step 3: Cross multiply
    548,745.15x = 823,117.73 × 312,549.15
  4. Step 4: Simplify right side
    548,745.15x = 257,264,745,298.68
  5. Step 5: Solve for x
    x = 257,264,745,298.68/548,745.15
  6. Step 6: Final answer
    x = 468,823.73

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Similar ratio
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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.