Home / 690,312.96-1,035,600-269,562.24

Finding the Fourth Proportional to 690,312.96, 1,035,600 and 269,562.24

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Solution

The fourth proportional to 690,312.96, 1,035,600 and 269,562.24 is: 404,394.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,312.96 : 1,035,600 = 269,562.24 : x
  2. Step 2: Convert to fraction form
    690,312.96/1,035,600 = 269,562.24/x
  3. Step 3: Cross multiply
    690,312.96x = 1,035,600 × 269,562.24
  4. Step 4: Simplify right side
    690,312.96x = 279,158,655,744
  5. Step 5: Solve for x
    x = 279,158,655,744/690,312.96
  6. Step 6: Final answer
    x = 404,394.34

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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.