Home / 762,668.48-1,144,304.04-289,479.44

Finding the Fourth Proportional to 762,668.48, 1,144,304.04 and 289,479.44

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Solution

The fourth proportional to 762,668.48, 1,144,304.04 and 289,479.44 is: 434,333.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,668.48 : 1,144,304.04 = 289,479.44 : x
  2. Step 2: Convert to fraction form
    762,668.48/1,144,304.04 = 289,479.44/x
  3. Step 3: Cross multiply
    762,668.48x = 1,144,304.04 × 289,479.44
  4. Step 4: Simplify right side
    762,668.48x = 331,252,492,688.94
  5. Step 5: Solve for x
    x = 331,252,492,688.94/762,668.48
  6. Step 6: Final answer
    x = 434,333.53

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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.