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Finding the Fourth Proportional to 638,050.80, 957,077.64 and 599,078.64

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Solution

The fourth proportional to 638,050.80, 957,077.64 and 599,078.64 is: 898,619.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,050.80 : 957,077.64 = 599,078.64 : x
  2. Step 2: Convert to fraction form
    638,050.80/957,077.64 = 599,078.64/x
  3. Step 3: Cross multiply
    638,050.80x = 957,077.64 × 599,078.64
  4. Step 4: Simplify right side
    638,050.80x = 573,364,770,945.61
  5. Step 5: Solve for x
    x = 573,364,770,945.61/638,050.80
  6. Step 6: Final answer
    x = 898,619.31

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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.