Home / 876,173.83-1,209,176.31-494,192.41

Finding the Fourth Proportional to 876,173.83, 1,209,176.31 and 494,192.41

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Solution

The fourth proportional to 876,173.83, 1,209,176.31 and 494,192.41 is: 682,017.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,173.83 : 1,209,176.31 = 494,192.41 : x
  2. Step 2: Convert to fraction form
    876,173.83/1,209,176.31 = 494,192.41/x
  3. Step 3: Cross multiply
    876,173.83x = 1,209,176.31 × 494,192.41
  4. Step 4: Simplify right side
    876,173.83x = 597,565,754,753.81
  5. Step 5: Solve for x
    x = 597,565,754,753.81/876,173.83
  6. Step 6: Final answer
    x = 682,017.35

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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.