Home / 487,983.28-673,263.42-273,089.20

Finding the Fourth Proportional to 487,983.28, 673,263.42 and 273,089.20

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Solution

The fourth proportional to 487,983.28, 673,263.42 and 273,089.20 is: 376,777.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,983.28 : 673,263.42 = 273,089.20 : x
  2. Step 2: Convert to fraction form
    487,983.28/673,263.42 = 273,089.20/x
  3. Step 3: Cross multiply
    487,983.28x = 673,263.42 × 273,089.20
  4. Step 4: Simplify right side
    487,983.28x = 183,860,968,757.06
  5. Step 5: Solve for x
    x = 183,860,968,757.06/487,983.28
  6. Step 6: Final answer
    x = 376,777.19

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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.