Home / 648,268.98-894,673.29-361,815.72

Finding the Fourth Proportional to 648,268.98, 894,673.29 and 361,815.72

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Solution

The fourth proportional to 648,268.98, 894,673.29 and 361,815.72 is: 499,340.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,268.98 : 894,673.29 = 361,815.72 : x
  2. Step 2: Convert to fraction form
    648,268.98/894,673.29 = 361,815.72/x
  3. Step 3: Cross multiply
    648,268.98x = 894,673.29 × 361,815.72
  4. Step 4: Simplify right side
    648,268.98x = 323,706,860,586.12
  5. Step 5: Solve for x
    x = 323,706,860,586.12/648,268.98
  6. Step 6: Final answer
    x = 499,340.35

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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.