Home / 487,572.45-672,837.01-269,775.44

Finding the Fourth Proportional to 487,572.45, 672,837.01 and 269,775.44

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Solution

The fourth proportional to 487,572.45, 672,837.01 and 269,775.44 is: 372,282.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,572.45 : 672,837.01 = 269,775.44 : x
  2. Step 2: Convert to fraction form
    487,572.45/672,837.01 = 269,775.44/x
  3. Step 3: Cross multiply
    487,572.45x = 672,837.01 × 269,775.44
  4. Step 4: Simplify right side
    487,572.45x = 181,514,900,421.03
  5. Step 5: Solve for x
    x = 181,514,900,421.03/487,572.45
  6. Step 6: Final answer
    x = 372,282.93

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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.