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Finding the Fourth Proportional to 532,091.60, 798,175.80 and 321,275.60

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Solution

The fourth proportional to 532,091.60, 798,175.80 and 321,275.60 is: 481,936.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,091.60 : 798,175.80 = 321,275.60 : x
  2. Step 2: Convert to fraction form
    532,091.60/798,175.80 = 321,275.60/x
  3. Step 3: Cross multiply
    532,091.60x = 798,175.80 × 321,275.60
  4. Step 4: Simplify right side
    532,091.60x = 256,434,409,050.48
  5. Step 5: Solve for x
    x = 256,434,409,050.48/532,091.60
  6. Step 6: Final answer
    x = 481,936.59

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1.5x scale

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.