Home / 487,327.19-672,499.74-269,530.18

Finding the Fourth Proportional to 487,327.19, 672,499.74 and 269,530.18

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Solution

The fourth proportional to 487,327.19, 672,499.74 and 269,530.18 is: 371,945.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,327.19 : 672,499.74 = 269,530.18 : x
  2. Step 2: Convert to fraction form
    487,327.19/672,499.74 = 269,530.18/x
  3. Step 3: Cross multiply
    487,327.19x = 672,499.74 × 269,530.18
  4. Step 4: Simplify right side
    487,327.19x = 181,258,978,326.40
  5. Step 5: Solve for x
    x = 181,258,978,326.40/487,327.19
  6. Step 6: Final answer
    x = 371,945.14

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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.