Home / 768,366.46-1,152,684.96-262,808.74

Finding the Fourth Proportional to 768,366.46, 1,152,684.96 and 262,808.74

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Solution

The fourth proportional to 768,366.46, 1,152,684.96 and 262,808.74 is: 394,259.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,366.46 : 1,152,684.96 = 262,808.74 : x
  2. Step 2: Convert to fraction form
    768,366.46/1,152,684.96 = 262,808.74/x
  3. Step 3: Cross multiply
    768,366.46x = 1,152,684.96 × 262,808.74
  4. Step 4: Simplify right side
    768,366.46x = 302,935,681,954.55
  5. Step 5: Solve for x
    x = 302,935,681,954.55/768,366.46
  6. Step 6: Final answer
    x = 394,259.38

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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.