Home / 638,337.33-880,879.02-347,942.51

Finding the Fourth Proportional to 638,337.33, 880,879.02 and 347,942.51

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Solution

The fourth proportional to 638,337.33, 880,879.02 and 347,942.51 is: 480,146.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,337.33 : 880,879.02 = 347,942.51 : x
  2. Step 2: Convert to fraction form
    638,337.33/880,879.02 = 347,942.51/x
  3. Step 3: Cross multiply
    638,337.33x = 880,879.02 × 347,942.51
  4. Step 4: Simplify right side
    638,337.33x = 306,495,257,296.73
  5. Step 5: Solve for x
    x = 306,495,257,296.73/638,337.33
  6. Step 6: Final answer
    x = 480,146.22

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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.