Home / 804,569.12-1,109,812.89-477,660.25

Finding the Fourth Proportional to 804,569.12, 1,109,812.89 and 477,660.25

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Solution

The fourth proportional to 804,569.12, 1,109,812.89 and 477,660.25 is: 658,878.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,569.12 : 1,109,812.89 = 477,660.25 : x
  2. Step 2: Convert to fraction form
    804,569.12/1,109,812.89 = 477,660.25/x
  3. Step 3: Cross multiply
    804,569.12x = 1,109,812.89 × 477,660.25
  4. Step 4: Simplify right side
    804,569.12x = 530,113,505,669.12
  5. Step 5: Solve for x
    x = 530,113,505,669.12/804,569.12
  6. Step 6: Final answer
    x = 658,878.76

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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.