Home / 806,857.47-1,113,487.79-444,294.32

Finding the Fourth Proportional to 806,857.47, 1,113,487.79 and 444,294.32

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Solution

The fourth proportional to 806,857.47, 1,113,487.79 and 444,294.32 is: 613,139.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,857.47 : 1,113,487.79 = 444,294.32 : x
  2. Step 2: Convert to fraction form
    806,857.47/1,113,487.79 = 444,294.32/x
  3. Step 3: Cross multiply
    806,857.47x = 1,113,487.79 × 444,294.32
  4. Step 4: Simplify right side
    806,857.47x = 494,716,292,697.44
  5. Step 5: Solve for x
    x = 494,716,292,697.44/806,857.47
  6. Step 6: Final answer
    x = 613,139.63

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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.