Home / 456,821.10-630,414.56-247,268.94

Finding the Fourth Proportional to 456,821.10, 630,414.56 and 247,268.94

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Solution

The fourth proportional to 456,821.10, 630,414.56 and 247,268.94 is: 341,231.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,821.10 : 630,414.56 = 247,268.94 : x
  2. Step 2: Convert to fraction form
    456,821.10/630,414.56 = 247,268.94/x
  3. Step 3: Cross multiply
    456,821.10x = 630,414.56 × 247,268.94
  4. Step 4: Simplify right side
    456,821.10x = 155,881,940,011.77
  5. Step 5: Solve for x
    x = 155,881,940,011.77/456,821.10
  6. Step 6: Final answer
    x = 341,231.92

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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.