Home / 717,676.20-1,076,514.30-402,092.10

Finding the Fourth Proportional to 717,676.20, 1,076,514.30 and 402,092.10

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Solution

The fourth proportional to 717,676.20, 1,076,514.30 and 402,092.10 is: 603,138.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,676.20 : 1,076,514.30 = 402,092.10 : x
  2. Step 2: Convert to fraction form
    717,676.20/1,076,514.30 = 402,092.10/x
  3. Step 3: Cross multiply
    717,676.20x = 1,076,514.30 × 402,092.10
  4. Step 4: Simplify right side
    717,676.20x = 432,857,895,567.03
  5. Step 5: Solve for x
    x = 432,857,895,567.03/717,676.20
  6. Step 6: Final answer
    x = 603,138.15

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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.