Home / 840,147.36-1,159,391.72-458,174.04

Finding the Fourth Proportional to 840,147.36, 1,159,391.72 and 458,174.04

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Solution

The fourth proportional to 840,147.36, 1,159,391.72 and 458,174.04 is: 632,273.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,147.36 : 1,159,391.72 = 458,174.04 : x
  2. Step 2: Convert to fraction form
    840,147.36/1,159,391.72 = 458,174.04/x
  3. Step 3: Cross multiply
    840,147.36x = 1,159,391.72 × 458,174.04
  4. Step 4: Simplify right side
    840,147.36x = 531,203,188,294.95
  5. Step 5: Solve for x
    x = 531,203,188,294.95/840,147.36
  6. Step 6: Final answer
    x = 632,273.83

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1.5x scale

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.