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Finding the Fourth Proportional to 456,757.55, 630,317.76 and 252,804.11

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Solution

The fourth proportional to 456,757.55, 630,317.76 and 252,804.11 is: 348,865.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,757.55 : 630,317.76 = 252,804.11 : x
  2. Step 2: Convert to fraction form
    456,757.55/630,317.76 = 252,804.11/x
  3. Step 3: Cross multiply
    456,757.55x = 630,317.76 × 252,804.11
  4. Step 4: Simplify right side
    456,757.55x = 159,346,920,333.99
  5. Step 5: Solve for x
    x = 159,346,920,333.99/456,757.55
  6. Step 6: Final answer
    x = 348,865.43

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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.