Home / 690,320.58-1,035,058.04-269,104.38

Finding the Fourth Proportional to 690,320.58, 1,035,058.04 and 269,104.38

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Solution

The fourth proportional to 690,320.58, 1,035,058.04 and 269,104.38 is: 403,491.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,320.58 : 1,035,058.04 = 269,104.38 : x
  2. Step 2: Convert to fraction form
    690,320.58/1,035,058.04 = 269,104.38/x
  3. Step 3: Cross multiply
    690,320.58x = 1,035,058.04 × 269,104.38
  4. Step 4: Simplify right side
    690,320.58x = 278,538,652,118.22
  5. Step 5: Solve for x
    x = 278,538,652,118.22/690,320.58
  6. Step 6: Final answer
    x = 403,491.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.