Home / 885,904.40-1,327,949.40-435,933.20

Finding the Fourth Proportional to 885,904.40, 1,327,949.40 and 435,933.20

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Solution

The fourth proportional to 885,904.40, 1,327,949.40 and 435,933.20 is: 653,453.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,904.40 : 1,327,949.40 = 435,933.20 : x
  2. Step 2: Convert to fraction form
    885,904.40/1,327,949.40 = 435,933.20/x
  3. Step 3: Cross multiply
    885,904.40x = 1,327,949.40 × 435,933.20
  4. Step 4: Simplify right side
    885,904.40x = 578,897,231,380.08
  5. Step 5: Solve for x
    x = 578,897,231,380.08/885,904.40
  6. Step 6: Final answer
    x = 653,453.39

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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.