Home / 630,043.96-869,481.66-343,579.72

Finding the Fourth Proportional to 630,043.96, 869,481.66 and 343,579.72

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Solution

The fourth proportional to 630,043.96, 869,481.66 and 343,579.72 is: 474,151.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,043.96 : 869,481.66 = 343,579.72 : x
  2. Step 2: Convert to fraction form
    630,043.96/869,481.66 = 343,579.72/x
  3. Step 3: Cross multiply
    630,043.96x = 869,481.66 × 343,579.72
  4. Step 4: Simplify right side
    630,043.96x = 298,736,265,287.94
  5. Step 5: Solve for x
    x = 298,736,265,287.94/630,043.96
  6. Step 6: Final answer
    x = 474,151.46

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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.