Home / 718,363.49-1,077,922.49-319,290.66

Finding the Fourth Proportional to 718,363.49, 1,077,922.49 and 319,290.66

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Solution

The fourth proportional to 718,363.49, 1,077,922.49 and 319,290.66 is: 479,103.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,363.49 : 1,077,922.49 = 319,290.66 : x
  2. Step 2: Convert to fraction form
    718,363.49/1,077,922.49 = 319,290.66/x
  3. Step 3: Cross multiply
    718,363.49x = 1,077,922.49 × 319,290.66
  4. Step 4: Simplify right side
    718,363.49x = 344,170,581,664.49
  5. Step 5: Solve for x
    x = 344,170,581,664.49/718,363.49
  6. Step 6: Final answer
    x = 479,103.67

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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.