Home / 487,983.62-673,417.29-273,123.70

Finding the Fourth Proportional to 487,983.62, 673,417.29 and 273,123.70

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Solution

The fourth proportional to 487,983.62, 673,417.29 and 273,123.70 is: 376,910.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,983.62 : 673,417.29 = 273,123.70 : x
  2. Step 2: Convert to fraction form
    487,983.62/673,417.29 = 273,123.70/x
  3. Step 3: Cross multiply
    487,983.62x = 673,417.29 × 273,123.70
  4. Step 4: Simplify right side
    487,983.62x = 183,926,221,229.44
  5. Step 5: Solve for x
    x = 183,926,221,229.44/487,983.62
  6. Step 6: Final answer
    x = 376,910.64

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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.