Home / 807,316.61-1,115,230.07-764,801.33

Finding the Fourth Proportional to 807,316.61, 1,115,230.07 and 764,801.33

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Solution

The fourth proportional to 807,316.61, 1,115,230.07 and 764,801.33 is: 1,056,499.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,316.61 : 1,115,230.07 = 764,801.33 : x
  2. Step 2: Convert to fraction form
    807,316.61/1,115,230.07 = 764,801.33/x
  3. Step 3: Cross multiply
    807,316.61x = 1,115,230.07 × 764,801.33
  4. Step 4: Simplify right side
    807,316.61x = 852,929,437,127.85
  5. Step 5: Solve for x
    x = 852,929,437,127.85/807,316.61
  6. Step 6: Final answer
    x = 1,056,499.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.