Home / 823,195.61-1,234,083.85-318,111.00

Finding the Fourth Proportional to 823,195.61, 1,234,083.85 and 318,111.00

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Solution

The fourth proportional to 823,195.61, 1,234,083.85 and 318,111.00 is: 476,892.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,195.61 : 1,234,083.85 = 318,111.00 : x
  2. Step 2: Convert to fraction form
    823,195.61/1,234,083.85 = 318,111.00/x
  3. Step 3: Cross multiply
    823,195.61x = 1,234,083.85 × 318,111.00
  4. Step 4: Simplify right side
    823,195.61x = 392,575,643,973.63
  5. Step 5: Solve for x
    x = 392,575,643,973.63/823,195.61
  6. Step 6: Final answer
    x = 476,892.30

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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.