Home / 768,701.28-1,152,280.08-262,916.52

Finding the Fourth Proportional to 768,701.28, 1,152,280.08 and 262,916.52

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Solution

The fourth proportional to 768,701.28, 1,152,280.08 and 262,916.52 is: 394,110.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,701.28 : 1,152,280.08 = 262,916.52 : x
  2. Step 2: Convert to fraction form
    768,701.28/1,152,280.08 = 262,916.52/x
  3. Step 3: Cross multiply
    768,701.28x = 1,152,280.08 × 262,916.52
  4. Step 4: Simplify right side
    768,701.28x = 302,953,468,698.92
  5. Step 5: Solve for x
    x = 302,953,468,698.92/768,701.28
  6. Step 6: Final answer
    x = 394,110.79

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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.