Home / 654,606.90-982,397.07-486,518.58

Finding the Fourth Proportional to 654,606.90, 982,397.07 and 486,518.58

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Solution

The fourth proportional to 654,606.90, 982,397.07 and 486,518.58 is: 730,139.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,606.90 : 982,397.07 = 486,518.58 : x
  2. Step 2: Convert to fraction form
    654,606.90/982,397.07 = 486,518.58/x
  3. Step 3: Cross multiply
    654,606.90x = 982,397.07 × 486,518.58
  4. Step 4: Simplify right side
    654,606.90x = 477,954,427,492.56
  5. Step 5: Solve for x
    x = 477,954,427,492.56/654,606.90
  6. Step 6: Final answer
    x = 730,139.61

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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.