Home / 487,718.11-673,077.14-272,845.36

Finding the Fourth Proportional to 487,718.11, 673,077.14 and 272,845.36

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Solution

The fourth proportional to 487,718.11, 673,077.14 and 272,845.36 is: 376,541.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,718.11 : 673,077.14 = 272,845.36 : x
  2. Step 2: Convert to fraction form
    487,718.11/673,077.14 = 272,845.36/x
  3. Step 3: Cross multiply
    487,718.11x = 673,077.14 × 272,845.36
  4. Step 4: Simplify right side
    487,718.11x = 183,645,974,571.07
  5. Step 5: Solve for x
    x = 183,645,974,571.07/487,718.11
  6. Step 6: Final answer
    x = 376,541.22

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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.