Home / 768,498.68-1,152,366.78-262,916.66

Finding the Fourth Proportional to 768,498.68, 1,152,366.78 and 262,916.66

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Solution

The fourth proportional to 768,498.68, 1,152,366.78 and 262,916.66 is: 394,244.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,498.68 : 1,152,366.78 = 262,916.66 : x
  2. Step 2: Convert to fraction form
    768,498.68/1,152,366.78 = 262,916.66/x
  3. Step 3: Cross multiply
    768,498.68x = 1,152,366.78 × 262,916.66
  4. Step 4: Simplify right side
    768,498.68x = 302,976,424,892.56
  5. Step 5: Solve for x
    x = 302,976,424,892.56/768,498.68
  6. Step 6: Final answer
    x = 394,244.56

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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.