Home / 804,180.86-1,109,970.39-498,073.76

Finding the Fourth Proportional to 804,180.86, 1,109,970.39 and 498,073.76

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Solution

The fourth proportional to 804,180.86, 1,109,970.39 and 498,073.76 is: 687,466.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,180.86 : 1,109,970.39 = 498,073.76 : x
  2. Step 2: Convert to fraction form
    804,180.86/1,109,970.39 = 498,073.76/x
  3. Step 3: Cross multiply
    804,180.86x = 1,109,970.39 × 498,073.76
  4. Step 4: Simplify right side
    804,180.86x = 552,847,123,314.62
  5. Step 5: Solve for x
    x = 552,847,123,314.62/804,180.86
  6. Step 6: Final answer
    x = 687,466.16

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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.