Home / 856,260.50-1,181,640-469,090.00

Finding the Fourth Proportional to 856,260.50, 1,181,640 and 469,090.00

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Solution

The fourth proportional to 856,260.50, 1,181,640 and 469,090.00 is: 647,344.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,260.50 : 1,181,640 = 469,090.00 : x
  2. Step 2: Convert to fraction form
    856,260.50/1,181,640 = 469,090.00/x
  3. Step 3: Cross multiply
    856,260.50x = 1,181,640 × 469,090.00
  4. Step 4: Simplify right side
    856,260.50x = 554,295,501,691.80
  5. Step 5: Solve for x
    x = 554,295,501,691.80/856,260.50
  6. Step 6: Final answer
    x = 647,344.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.