Home / 576,669.10-795,800.18-318,563.78

Finding the Fourth Proportional to 576,669.10, 795,800.18 and 318,563.78

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Solution

The fourth proportional to 576,669.10, 795,800.18 and 318,563.78 is: 439,616.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,669.10 : 795,800.18 = 318,563.78 : x
  2. Step 2: Convert to fraction form
    576,669.10/795,800.18 = 318,563.78/x
  3. Step 3: Cross multiply
    576,669.10x = 795,800.18 × 318,563.78
  4. Step 4: Simplify right side
    576,669.10x = 253,513,111,872.66
  5. Step 5: Solve for x
    x = 253,513,111,872.66/576,669.10
  6. Step 6: Final answer
    x = 439,616.26

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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.