Home / 884,609.53-1,220,754.77-502,636.31

Finding the Fourth Proportional to 884,609.53, 1,220,754.77 and 502,636.31

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Solution

The fourth proportional to 884,609.53, 1,220,754.77 and 502,636.31 is: 693,634.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,609.53 : 1,220,754.77 = 502,636.31 : x
  2. Step 2: Convert to fraction form
    884,609.53/1,220,754.77 = 502,636.31/x
  3. Step 3: Cross multiply
    884,609.53x = 1,220,754.77 × 502,636.31
  4. Step 4: Simplify right side
    884,609.53x = 613,595,666,903.93
  5. Step 5: Solve for x
    x = 613,595,666,903.93/884,609.53
  6. Step 6: Final answer
    x = 693,634.48

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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.