Home / 811,152.22-1,216,874.81-271,357.33

Finding the Fourth Proportional to 811,152.22, 1,216,874.81 and 271,357.33

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Solution

The fourth proportional to 811,152.22, 1,216,874.81 and 271,357.33 is: 407,085.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,152.22 : 1,216,874.81 = 271,357.33 : x
  2. Step 2: Convert to fraction form
    811,152.22/1,216,874.81 = 271,357.33/x
  3. Step 3: Cross multiply
    811,152.22x = 1,216,874.81 × 271,357.33
  4. Step 4: Simplify right side
    811,152.22x = 330,207,900,567.75
  5. Step 5: Solve for x
    x = 330,207,900,567.75/811,152.22
  6. Step 6: Final answer
    x = 407,085.00

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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.