Home / 548,262.03-756,599.52-306,543.87

Finding the Fourth Proportional to 548,262.03, 756,599.52 and 306,543.87

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Solution

The fourth proportional to 548,262.03, 756,599.52 and 306,543.87 is: 423,029.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,262.03 : 756,599.52 = 306,543.87 : x
  2. Step 2: Convert to fraction form
    548,262.03/756,599.52 = 306,543.87/x
  3. Step 3: Cross multiply
    548,262.03x = 756,599.52 × 306,543.87
  4. Step 4: Simplify right side
    548,262.03x = 231,930,944,900.94
  5. Step 5: Solve for x
    x = 231,930,944,900.94/548,262.03
  6. Step 6: Final answer
    x = 423,029.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.