Home / 810,824.85-1,216,385.51-271,030.05

Finding the Fourth Proportional to 810,824.85, 1,216,385.51 and 271,030.05

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Solution

The fourth proportional to 810,824.85, 1,216,385.51 and 271,030.05 is: 406,594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,824.85 : 1,216,385.51 = 271,030.05 : x
  2. Step 2: Convert to fraction form
    810,824.85/1,216,385.51 = 271,030.05/x
  3. Step 3: Cross multiply
    810,824.85x = 1,216,385.51 × 271,030.05
  4. Step 4: Simplify right side
    810,824.85x = 329,677,024,239.43
  5. Step 5: Solve for x
    x = 329,677,024,239.43/810,824.85
  6. Step 6: Final answer
    x = 406,594.62

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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.