Home / 456,433.60-629,829.88-252,452.12

Finding the Fourth Proportional to 456,433.60, 629,829.88 and 252,452.12

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Solution

The fourth proportional to 456,433.60, 629,829.88 and 252,452.12 is: 348,357.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,433.60 : 629,829.88 = 252,452.12 : x
  2. Step 2: Convert to fraction form
    456,433.60/629,829.88 = 252,452.12/x
  3. Step 3: Cross multiply
    456,433.60x = 629,829.88 × 252,452.12
  4. Step 4: Simplify right side
    456,433.60x = 159,001,888,445.35
  5. Step 5: Solve for x
    x = 159,001,888,445.35/456,433.60
  6. Step 6: Final answer
    x = 348,357.11

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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.