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Finding the Fourth Proportional to 638,064.80, 957,098.64 and 599,092.64

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Solution

The fourth proportional to 638,064.80, 957,098.64 and 599,092.64 is: 898,640.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,064.80 : 957,098.64 = 599,092.64 : x
  2. Step 2: Convert to fraction form
    638,064.80/957,098.64 = 599,092.64/x
  3. Step 3: Cross multiply
    638,064.80x = 957,098.64 × 599,092.64
  4. Step 4: Simplify right side
    638,064.80x = 573,390,750,978.01
  5. Step 5: Solve for x
    x = 573,390,750,978.01/638,064.80
  6. Step 6: Final answer
    x = 898,640.31

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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.