Home / 840,493.53-1,159,875.69-477,917.48

Finding the Fourth Proportional to 840,493.53, 1,159,875.69 and 477,917.48

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Solution

The fourth proportional to 840,493.53, 1,159,875.69 and 477,917.48 is: 659,523.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,493.53 : 1,159,875.69 = 477,917.48 : x
  2. Step 2: Convert to fraction form
    840,493.53/1,159,875.69 = 477,917.48/x
  3. Step 3: Cross multiply
    840,493.53x = 1,159,875.69 × 477,917.48
  4. Step 4: Simplify right side
    840,493.53x = 554,324,867,985.56
  5. Step 5: Solve for x
    x = 554,324,867,985.56/840,493.53
  6. Step 6: Final answer
    x = 659,523.06

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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.