Home / 456,949.24-630,659.60-284,895.12

Finding the Fourth Proportional to 456,949.24, 630,659.60 and 284,895.12

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Solution

The fourth proportional to 456,949.24, 630,659.60 and 284,895.12 is: 393,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,949.24 : 630,659.60 = 284,895.12 : x
  2. Step 2: Convert to fraction form
    456,949.24/630,659.60 = 284,895.12/x
  3. Step 3: Cross multiply
    456,949.24x = 630,659.60 × 284,895.12
  4. Step 4: Simplify right side
    456,949.24x = 179,671,842,421.15
  5. Step 5: Solve for x
    x = 179,671,842,421.15/456,949.24
  6. Step 6: Final answer
    x = 393,198.69

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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.