Home / 456,814.11-630,395.83-252,860.66

Finding the Fourth Proportional to 456,814.11, 630,395.83 and 252,860.66

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Solution

The fourth proportional to 456,814.11, 630,395.83 and 252,860.66 is: 348,943.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,814.11 : 630,395.83 = 252,860.66 : x
  2. Step 2: Convert to fraction form
    456,814.11/630,395.83 = 252,860.66/x
  3. Step 3: Cross multiply
    456,814.11x = 630,395.83 × 252,860.66
  4. Step 4: Simplify right side
    456,814.11x = 159,402,305,635.05
  5. Step 5: Solve for x
    x = 159,402,305,635.05/456,814.11
  6. Step 6: Final answer
    x = 348,943.48

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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.