Home / 486,913.32-671,889.06-272,062.44

Finding the Fourth Proportional to 486,913.32, 671,889.06 and 272,062.44

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Solution

The fourth proportional to 486,913.32, 671,889.06 and 272,062.44 is: 375,417.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,913.32 : 671,889.06 = 272,062.44 : x
  2. Step 2: Convert to fraction form
    486,913.32/671,889.06 = 272,062.44/x
  3. Step 3: Cross multiply
    486,913.32x = 671,889.06 × 272,062.44
  4. Step 4: Simplify right side
    486,913.32x = 182,795,777,072.91
  5. Step 5: Solve for x
    x = 182,795,777,072.91/486,913.32
  6. Step 6: Final answer
    x = 375,417.49

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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.