Home / 882,118.20-1,321,718.10-507,487.80

Finding the Fourth Proportional to 882,118.20, 1,321,718.10 and 507,487.80

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Solution

The fourth proportional to 882,118.20, 1,321,718.10 and 507,487.80 is: 760,392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,118.20 : 1,321,718.10 = 507,487.80 : x
  2. Step 2: Convert to fraction form
    882,118.20/1,321,718.10 = 507,487.80/x
  3. Step 3: Cross multiply
    882,118.20x = 1,321,718.10 × 507,487.80
  4. Step 4: Simplify right side
    882,118.20x = 670,755,810,789.18
  5. Step 5: Solve for x
    x = 670,755,810,789.18/882,118.20
  6. Step 6: Final answer
    x = 760,392.21

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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.