Home / 810,694.66-1,118,869.80-466,523.56

Finding the Fourth Proportional to 810,694.66, 1,118,869.80 and 466,523.56

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Solution

The fourth proportional to 810,694.66, 1,118,869.80 and 466,523.56 is: 643,866.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,694.66 : 1,118,869.80 = 466,523.56 : x
  2. Step 2: Convert to fraction form
    810,694.66/1,118,869.80 = 466,523.56/x
  3. Step 3: Cross multiply
    810,694.66x = 1,118,869.80 × 466,523.56
  4. Step 4: Simplify right side
    810,694.66x = 521,979,122,272.49
  5. Step 5: Solve for x
    x = 521,979,122,272.49/810,694.66
  6. Step 6: Final answer
    x = 643,866.49

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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.