Home / 765,841.68-1,056,785.16-443,655.48

Finding the Fourth Proportional to 765,841.68, 1,056,785.16 and 443,655.48

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Solution

The fourth proportional to 765,841.68, 1,056,785.16 and 443,655.48 is: 612,200.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,841.68 : 1,056,785.16 = 443,655.48 : x
  2. Step 2: Convert to fraction form
    765,841.68/1,056,785.16 = 443,655.48/x
  3. Step 3: Cross multiply
    765,841.68x = 1,056,785.16 × 443,655.48
  4. Step 4: Simplify right side
    765,841.68x = 468,848,527,416.68
  5. Step 5: Solve for x
    x = 468,848,527,416.68/765,841.68
  6. Step 6: Final answer
    x = 612,200.33

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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.