Home / 378,868.10-567,917.60-323,565.01

Finding the Fourth Proportional to 378,868.10, 567,917.60 and 323,565.01

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Solution

The fourth proportional to 378,868.10, 567,917.60 and 323,565.01 is: 485,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,868.10 : 567,917.60 = 323,565.01 : x
  2. Step 2: Convert to fraction form
    378,868.10/567,917.60 = 323,565.01/x
  3. Step 3: Cross multiply
    378,868.10x = 567,917.60 × 323,565.01
  4. Step 4: Simplify right side
    378,868.10x = 183,758,264,080.09
  5. Step 5: Solve for x
    x = 183,758,264,080.09/378,868.10
  6. Step 6: Final answer
    x = 485,019.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.