Home / 663,022.81-914,971.58-361,216.81

Finding the Fourth Proportional to 663,022.81, 914,971.58 and 361,216.81

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Solution

The fourth proportional to 663,022.81, 914,971.58 and 361,216.81 is: 498,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,022.81 : 914,971.58 = 361,216.81 : x
  2. Step 2: Convert to fraction form
    663,022.81/914,971.58 = 361,216.81/x
  3. Step 3: Cross multiply
    663,022.81x = 914,971.58 × 361,216.81
  4. Step 4: Simplify right side
    663,022.81x = 330,503,115,368.26
  5. Step 5: Solve for x
    x = 330,503,115,368.26/663,022.81
  6. Step 6: Final answer
    x = 498,479.25

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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.