Home / 548,821.36-823,379.82-282,436.72

Finding the Fourth Proportional to 548,821.36, 823,379.82 and 282,436.72

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Solution

The fourth proportional to 548,821.36, 823,379.82 and 282,436.72 is: 423,731.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,821.36 : 823,379.82 = 282,436.72 : x
  2. Step 2: Convert to fraction form
    548,821.36/823,379.82 = 282,436.72/x
  3. Step 3: Cross multiply
    548,821.36x = 823,379.82 × 282,436.72
  4. Step 4: Simplify right side
    548,821.36x = 232,552,695,674.99
  5. Step 5: Solve for x
    x = 232,552,695,674.99/548,821.36
  6. Step 6: Final answer
    x = 423,731.13

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1.5x scale

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.