Home / 479,209.32-718,878.78-163,581.48

Finding the Fourth Proportional to 479,209.32, 718,878.78 and 163,581.48

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Solution

The fourth proportional to 479,209.32, 718,878.78 and 163,581.48 is: 245,394.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,209.32 : 718,878.78 = 163,581.48 : x
  2. Step 2: Convert to fraction form
    479,209.32/718,878.78 = 163,581.48/x
  3. Step 3: Cross multiply
    479,209.32x = 718,878.78 × 163,581.48
  4. Step 4: Simplify right side
    479,209.32x = 117,595,254,772.99
  5. Step 5: Solve for x
    x = 117,595,254,772.99/479,209.32
  6. Step 6: Final answer
    x = 245,394.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.