Home / 959,354.43-1,438,780.95-285,254.22

Finding the Fourth Proportional to 959,354.43, 1,438,780.95 and 285,254.22

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Solution

The fourth proportional to 959,354.43, 1,438,780.95 and 285,254.22 is: 427,806.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,354.43 : 1,438,780.95 = 285,254.22 : x
  2. Step 2: Convert to fraction form
    959,354.43/1,438,780.95 = 285,254.22/x
  3. Step 3: Cross multiply
    959,354.43x = 1,438,780.95 × 285,254.22
  4. Step 4: Simplify right side
    959,354.43x = 410,418,337,643.11
  5. Step 5: Solve for x
    x = 410,418,337,643.11/959,354.43
  6. Step 6: Final answer
    x = 427,806.79

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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.