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Finding the Fourth Proportional to 634,200.94, 875,190.63 and 347,720.32

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Solution

The fourth proportional to 634,200.94, 875,190.63 and 347,720.32 is: 479,850.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,200.94 : 875,190.63 = 347,720.32 : x
  2. Step 2: Convert to fraction form
    634,200.94/875,190.63 = 347,720.32/x
  3. Step 3: Cross multiply
    634,200.94x = 875,190.63 × 347,720.32
  4. Step 4: Simplify right side
    634,200.94x = 304,321,565,924.60
  5. Step 5: Solve for x
    x = 304,321,565,924.60/634,200.94
  6. Step 6: Final answer
    x = 479,850.39

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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.