Home / 717,756.30-1,076,634.41-212,277.96

Finding the Fourth Proportional to 717,756.30, 1,076,634.41 and 212,277.96

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Solution

The fourth proportional to 717,756.30, 1,076,634.41 and 212,277.96 is: 318,416.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,756.30 : 1,076,634.41 = 212,277.96 : x
  2. Step 2: Convert to fraction form
    717,756.30/1,076,634.41 = 212,277.96/x
  3. Step 3: Cross multiply
    717,756.30x = 1,076,634.41 × 212,277.96
  4. Step 4: Simplify right side
    717,756.30x = 228,545,755,159.21
  5. Step 5: Solve for x
    x = 228,545,755,159.21/717,756.30
  6. Step 6: Final answer
    x = 318,416.93

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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.