Home / 479,629.32-661,968.50-458,371.08

Finding the Fourth Proportional to 479,629.32, 661,968.50 and 458,371.08

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Solution

The fourth proportional to 479,629.32, 661,968.50 and 458,371.08 is: 632,628.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,629.32 : 661,968.50 = 458,371.08 : x
  2. Step 2: Convert to fraction form
    479,629.32/661,968.50 = 458,371.08/x
  3. Step 3: Cross multiply
    479,629.32x = 661,968.50 × 458,371.08
  4. Step 4: Simplify right side
    479,629.32x = 303,427,216,270.98
  5. Step 5: Solve for x
    x = 303,427,216,270.98/479,629.32
  6. Step 6: Final answer
    x = 632,628.58

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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.