Home / 487,628.37-672,982.97-272,822.85

Finding the Fourth Proportional to 487,628.37, 672,982.97 and 272,822.85

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Solution

The fourth proportional to 487,628.37, 672,982.97 and 272,822.85 is: 376,526.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,628.37 : 672,982.97 = 272,822.85 : x
  2. Step 2: Convert to fraction form
    487,628.37/672,982.97 = 272,822.85/x
  3. Step 3: Cross multiply
    487,628.37x = 672,982.97 × 272,822.85
  4. Step 4: Simplify right side
    487,628.37x = 183,605,130,512.75
  5. Step 5: Solve for x
    x = 183,605,130,512.75/487,628.37
  6. Step 6: Final answer
    x = 376,526.76

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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.