Home / 832,811.60-1,248,910.20-271,864.40

Finding the Fourth Proportional to 832,811.60, 1,248,910.20 and 271,864.40

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Solution

The fourth proportional to 832,811.60, 1,248,910.20 and 271,864.40 is: 407,696.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,811.60 : 1,248,910.20 = 271,864.40 : x
  2. Step 2: Convert to fraction form
    832,811.60/1,248,910.20 = 271,864.40/x
  3. Step 3: Cross multiply
    832,811.60x = 1,248,910.20 × 271,864.40
  4. Step 4: Simplify right side
    832,811.60x = 339,534,222,176.88
  5. Step 5: Solve for x
    x = 339,534,222,176.88/832,811.60
  6. Step 6: Final answer
    x = 407,696.32

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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.