Home / 809,317.36-1,213,186.29-524,832.40

Finding the Fourth Proportional to 809,317.36, 1,213,186.29 and 524,832.40

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Solution

The fourth proportional to 809,317.36, 1,213,186.29 and 524,832.40 is: 786,736.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,317.36 : 1,213,186.29 = 524,832.40 : x
  2. Step 2: Convert to fraction form
    809,317.36/1,213,186.29 = 524,832.40/x
  3. Step 3: Cross multiply
    809,317.36x = 1,213,186.29 × 524,832.40
  4. Step 4: Simplify right side
    809,317.36x = 636,719,472,227.80
  5. Step 5: Solve for x
    x = 636,719,472,227.80/809,317.36
  6. Step 6: Final answer
    x = 786,736.46

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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.