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Finding the Fourth Proportional to 766,310.76, 1,149,714 and 500,590.80

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Solution

The fourth proportional to 766,310.76, 1,149,714 and 500,590.80 is: 751,048.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,310.76 : 1,149,714 = 500,590.80 : x
  2. Step 2: Convert to fraction form
    766,310.76/1,149,714 = 500,590.80/x
  3. Step 3: Cross multiply
    766,310.76x = 1,149,714 × 500,590.80
  4. Step 4: Simplify right side
    766,310.76x = 575,536,251,031.20
  5. Step 5: Solve for x
    x = 575,536,251,031.20/766,310.76
  6. Step 6: Final answer
    x = 751,048.11

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1.5x scale

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.