Home / 717,451.98-1,076,031.09-268,089.90

Finding the Fourth Proportional to 717,451.98, 1,076,031.09 and 268,089.90

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Solution

The fourth proportional to 717,451.98, 1,076,031.09 and 268,089.90 is: 402,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,451.98 : 1,076,031.09 = 268,089.90 : x
  2. Step 2: Convert to fraction form
    717,451.98/1,076,031.09 = 268,089.90/x
  3. Step 3: Cross multiply
    717,451.98x = 1,076,031.09 × 268,089.90
  4. Step 4: Simplify right side
    717,451.98x = 288,473,067,314.99
  5. Step 5: Solve for x
    x = 288,473,067,314.99/717,451.98
  6. Step 6: Final answer
    x = 402,079.97

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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.