Home / 821,519.71-1,232,419.71-366,276.13

Finding the Fourth Proportional to 821,519.71, 1,232,419.71 and 366,276.13

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Solution

The fourth proportional to 821,519.71, 1,232,419.71 and 366,276.13 is: 549,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,519.71 : 1,232,419.71 = 366,276.13 : x
  2. Step 2: Convert to fraction form
    821,519.71/1,232,419.71 = 366,276.13/x
  3. Step 3: Cross multiply
    821,519.71x = 1,232,419.71 × 366,276.13
  4. Step 4: Simplify right side
    821,519.71x = 451,405,921,914.52
  5. Step 5: Solve for x
    x = 451,405,921,914.52/821,519.71
  6. Step 6: Final answer
    x = 549,476.68

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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.