Home / 717,707.84-1,076,525.97-268,395.68

Finding the Fourth Proportional to 717,707.84, 1,076,525.97 and 268,395.68

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Solution

The fourth proportional to 717,707.84, 1,076,525.97 and 268,395.68 is: 402,580.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,707.84 : 1,076,525.97 = 268,395.68 : x
  2. Step 2: Convert to fraction form
    717,707.84/1,076,525.97 = 268,395.68/x
  3. Step 3: Cross multiply
    717,707.84x = 1,076,525.97 × 268,395.68
  4. Step 4: Simplify right side
    717,707.84x = 288,934,914,373.18
  5. Step 5: Solve for x
    x = 288,934,914,373.18/717,707.84
  6. Step 6: Final answer
    x = 402,580.13

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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.