Home / 690,401.96-1,035,770.03-234,988.59

Finding the Fourth Proportional to 690,401.96, 1,035,770.03 and 234,988.59

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Solution

The fourth proportional to 690,401.96, 1,035,770.03 and 234,988.59 is: 352,539.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,401.96 : 1,035,770.03 = 234,988.59 : x
  2. Step 2: Convert to fraction form
    690,401.96/1,035,770.03 = 234,988.59/x
  3. Step 3: Cross multiply
    690,401.96x = 1,035,770.03 × 234,988.59
  4. Step 4: Simplify right side
    690,401.96x = 243,394,143,826.17
  5. Step 5: Solve for x
    x = 243,394,143,826.17/690,401.96
  6. Step 6: Final answer
    x = 352,539.77

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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.