Home / 690,504.24-1,035,341.64-269,978.16

Finding the Fourth Proportional to 690,504.24, 1,035,341.64 and 269,978.16

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Solution

The fourth proportional to 690,504.24, 1,035,341.64 and 269,978.16 is: 404,805.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,504.24 : 1,035,341.64 = 269,978.16 : x
  2. Step 2: Convert to fraction form
    690,504.24/1,035,341.64 = 269,978.16/x
  3. Step 3: Cross multiply
    690,504.24x = 1,035,341.64 × 269,978.16
  4. Step 4: Simplify right side
    690,504.24x = 279,519,630,938.58
  5. Step 5: Solve for x
    x = 279,519,630,938.58/690,504.24
  6. Step 6: Final answer
    x = 404,805.09

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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.