Home / 415,764.02-623,514.80-263,855.00

Finding the Fourth Proportional to 415,764.02, 623,514.80 and 263,855.00

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Solution

The fourth proportional to 415,764.02, 623,514.80 and 263,855.00 is: 395,699.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,764.02 : 623,514.80 = 263,855.00 : x
  2. Step 2: Convert to fraction form
    415,764.02/623,514.80 = 263,855.00/x
  3. Step 3: Cross multiply
    415,764.02x = 623,514.80 × 263,855.00
  4. Step 4: Simplify right side
    415,764.02x = 164,517,499,772.43
  5. Step 5: Solve for x
    x = 164,517,499,772.43/415,764.02
  6. Step 6: Final answer
    x = 395,699.22

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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.