Home / 479,417.11-718,938.75-179,734.32

Finding the Fourth Proportional to 479,417.11, 718,938.75 and 179,734.32

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Solution

The fourth proportional to 479,417.11, 718,938.75 and 179,734.32 is: 269,531.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,417.11 : 718,938.75 = 179,734.32 : x
  2. Step 2: Convert to fraction form
    479,417.11/718,938.75 = 179,734.32/x
  3. Step 3: Cross multiply
    479,417.11x = 718,938.75 × 179,734.32
  4. Step 4: Simplify right side
    479,417.11x = 129,217,968,026.90
  5. Step 5: Solve for x
    x = 129,217,968,026.90/479,417.11
  6. Step 6: Final answer
    x = 269,531.41

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1.5x scale

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.