Home / 717,756.08-1,076,791.78-212,277.66

Finding the Fourth Proportional to 717,756.08, 1,076,791.78 and 212,277.66

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Solution

The fourth proportional to 717,756.08, 1,076,791.78 and 212,277.66 is: 318,463.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,756.08 : 1,076,791.78 = 212,277.66 : x
  2. Step 2: Convert to fraction form
    717,756.08/1,076,791.78 = 212,277.66/x
  3. Step 3: Cross multiply
    717,756.08x = 1,076,791.78 × 212,277.66
  4. Step 4: Simplify right side
    717,756.08x = 228,578,839,365.64
  5. Step 5: Solve for x
    x = 228,578,839,365.64/717,756.08
  6. Step 6: Final answer
    x = 318,463.12

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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.