Home / 821,928.96-1,232,679.60-348,370.56

Finding the Fourth Proportional to 821,928.96, 1,232,679.60 and 348,370.56

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Solution

The fourth proportional to 821,928.96, 1,232,679.60 and 348,370.56 is: 522,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,928.96 : 1,232,679.60 = 348,370.56 : x
  2. Step 2: Convert to fraction form
    821,928.96/1,232,679.60 = 348,370.56/x
  3. Step 3: Cross multiply
    821,928.96x = 1,232,679.60 × 348,370.56
  4. Step 4: Simplify right side
    821,928.96x = 429,429,282,552.58
  5. Step 5: Solve for x
    x = 429,429,282,552.58/821,928.96
  6. Step 6: Final answer
    x = 522,465.20

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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.