Home / 746,062.38-1,118,157.60-319,097.11

Finding the Fourth Proportional to 746,062.38, 1,118,157.60 and 319,097.11

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Solution

The fourth proportional to 746,062.38, 1,118,157.60 and 319,097.11 is: 478,245.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,062.38 : 1,118,157.60 = 319,097.11 : x
  2. Step 2: Convert to fraction form
    746,062.38/1,118,157.60 = 319,097.11/x
  3. Step 3: Cross multiply
    746,062.38x = 1,118,157.60 × 319,097.11
  4. Step 4: Simplify right side
    746,062.38x = 356,800,852,296.01
  5. Step 5: Solve for x
    x = 356,800,852,296.01/746,062.38
  6. Step 6: Final answer
    x = 478,245.33

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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.