Home / 717,713.64-1,076,534.67-268,401.51

Finding the Fourth Proportional to 717,713.64, 1,076,534.67 and 268,401.51

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Solution

The fourth proportional to 717,713.64, 1,076,534.67 and 268,401.51 is: 402,588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,713.64 : 1,076,534.67 = 268,401.51 : x
  2. Step 2: Convert to fraction form
    717,713.64/1,076,534.67 = 268,401.51/x
  3. Step 3: Cross multiply
    717,713.64x = 1,076,534.67 × 268,401.51
  4. Step 4: Simplify right side
    717,713.64x = 288,943,530,995.35
  5. Step 5: Solve for x
    x = 288,943,530,995.35/717,713.64
  6. Step 6: Final answer
    x = 402,588.88

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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.