Home / 821,991.96-1,232,774.10-348,433.56

Finding the Fourth Proportional to 821,991.96, 1,232,774.10 and 348,433.56

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Solution

The fourth proportional to 821,991.96, 1,232,774.10 and 348,433.56 is: 522,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,991.96 : 1,232,774.10 = 348,433.56 : x
  2. Step 2: Convert to fraction form
    821,991.96/1,232,774.10 = 348,433.56/x
  3. Step 3: Cross multiply
    821,991.96x = 1,232,774.10 × 348,433.56
  4. Step 4: Simplify right side
    821,991.96x = 429,539,868,338.80
  5. Step 5: Solve for x
    x = 429,539,868,338.80/821,991.96
  6. Step 6: Final answer
    x = 522,559.70

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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.