Home / 807,718.23-1,211,801.82-352,349.29

Finding the Fourth Proportional to 807,718.23, 1,211,801.82 and 352,349.29

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Solution

The fourth proportional to 807,718.23, 1,211,801.82 and 352,349.29 is: 528,621.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,718.23 : 1,211,801.82 = 352,349.29 : x
  2. Step 2: Convert to fraction form
    807,718.23/1,211,801.82 = 352,349.29/x
  3. Step 3: Cross multiply
    807,718.23x = 1,211,801.82 × 352,349.29
  4. Step 4: Simplify right side
    807,718.23x = 426,977,511,091.15
  5. Step 5: Solve for x
    x = 426,977,511,091.15/807,718.23
  6. Step 6: Final answer
    x = 528,621.86

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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.