Home / 487,718.86-673,078.18-272,846.11

Finding the Fourth Proportional to 487,718.86, 673,078.18 and 272,846.11

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Solution

The fourth proportional to 487,718.86, 673,078.18 and 272,846.11 is: 376,542.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,718.86 : 673,078.18 = 272,846.11 : x
  2. Step 2: Convert to fraction form
    487,718.86/673,078.18 = 272,846.11/x
  3. Step 3: Cross multiply
    487,718.86x = 673,078.18 × 272,846.11
  4. Step 4: Simplify right side
    487,718.86x = 183,646,763,138.88
  5. Step 5: Solve for x
    x = 183,646,763,138.88/487,718.86
  6. Step 6: Final answer
    x = 376,542.26

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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.