Home / 487,261.12-672,424.82-269,458.54

Finding the Fourth Proportional to 487,261.12, 672,424.82 and 269,458.54

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Solution

The fourth proportional to 487,261.12, 672,424.82 and 269,458.54 is: 371,855.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,261.12 : 672,424.82 = 269,458.54 : x
  2. Step 2: Convert to fraction form
    487,261.12/672,424.82 = 269,458.54/x
  3. Step 3: Cross multiply
    487,261.12x = 672,424.82 × 269,458.54
  4. Step 4: Simplify right side
    487,261.12x = 181,190,611,113.44
  5. Step 5: Solve for x
    x = 181,190,611,113.44/487,261.12
  6. Step 6: Final answer
    x = 371,855.26

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1.5x scale

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.