Home / 959,882.60-1,440,135.18-285,969.69

Finding the Fourth Proportional to 959,882.60, 1,440,135.18 and 285,969.69

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Solution

The fourth proportional to 959,882.60, 1,440,135.18 and 285,969.69 is: 429,047.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,882.60 : 1,440,135.18 = 285,969.69 : x
  2. Step 2: Convert to fraction form
    959,882.60/1,440,135.18 = 285,969.69/x
  3. Step 3: Cross multiply
    959,882.60x = 1,440,135.18 × 285,969.69
  4. Step 4: Simplify right side
    959,882.60x = 411,835,010,982.69
  5. Step 5: Solve for x
    x = 411,835,010,982.69/959,882.60
  6. Step 6: Final answer
    x = 429,047.27

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1.5x scale

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.