Home / 717,614.12-1,076,615.48-268,380.60

Finding the Fourth Proportional to 717,614.12, 1,076,615.48 and 268,380.60

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Solution

The fourth proportional to 717,614.12, 1,076,615.48 and 268,380.60 is: 402,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,614.12 : 1,076,615.48 = 268,380.60 : x
  2. Step 2: Convert to fraction form
    717,614.12/1,076,615.48 = 268,380.60/x
  3. Step 3: Cross multiply
    717,614.12x = 1,076,615.48 × 268,380.60
  4. Step 4: Simplify right side
    717,614.12x = 288,942,708,491.69
  5. Step 5: Solve for x
    x = 288,942,708,491.69/717,614.12
  6. Step 6: Final answer
    x = 402,643.57

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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.