Home / 717,634.57-1,076,078.10-338,453.49

Finding the Fourth Proportional to 717,634.57, 1,076,078.10 and 338,453.49

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Solution

The fourth proportional to 717,634.57, 1,076,078.10 and 338,453.49 is: 507,503.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,634.57 : 1,076,078.10 = 338,453.49 : x
  2. Step 2: Convert to fraction form
    717,634.57/1,076,078.10 = 338,453.49/x
  3. Step 3: Cross multiply
    717,634.57x = 1,076,078.10 × 338,453.49
  4. Step 4: Simplify right side
    717,634.57x = 364,202,385,805.32
  5. Step 5: Solve for x
    x = 364,202,385,805.32/717,634.57
  6. Step 6: Final answer
    x = 507,503.96

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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.