Home / 717,400.71-1,076,069.93-268,125.47

Finding the Fourth Proportional to 717,400.71, 1,076,069.93 and 268,125.47

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Solution

The fourth proportional to 717,400.71, 1,076,069.93 and 268,125.47 is: 402,176.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,400.71 : 1,076,069.93 = 268,125.47 : x
  2. Step 2: Convert to fraction form
    717,400.71/1,076,069.93 = 268,125.47/x
  3. Step 3: Cross multiply
    717,400.71x = 1,076,069.93 × 268,125.47
  4. Step 4: Simplify right side
    717,400.71x = 288,521,749,013.14
  5. Step 5: Solve for x
    x = 288,521,749,013.14/717,400.71
  6. Step 6: Final answer
    x = 402,176.56

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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.