Home / 902,407.68-1,245,322.80-539,846.64

Finding the Fourth Proportional to 902,407.68, 1,245,322.80 and 539,846.64

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Solution

The fourth proportional to 902,407.68, 1,245,322.80 and 539,846.64 is: 744,988.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,407.68 : 1,245,322.80 = 539,846.64 : x
  2. Step 2: Convert to fraction form
    902,407.68/1,245,322.80 = 539,846.64/x
  3. Step 3: Cross multiply
    902,407.68x = 1,245,322.80 × 539,846.64
  4. Step 4: Simplify right side
    902,407.68x = 672,283,329,295.39
  5. Step 5: Solve for x
    x = 672,283,329,295.39/902,407.68
  6. Step 6: Final answer
    x = 744,988.48

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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.