Home / 727,265.28-1,003,627.20-405,037.44

Finding the Fourth Proportional to 727,265.28, 1,003,627.20 and 405,037.44

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Solution

The fourth proportional to 727,265.28, 1,003,627.20 and 405,037.44 is: 558,952.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,265.28 : 1,003,627.20 = 405,037.44 : x
  2. Step 2: Convert to fraction form
    727,265.28/1,003,627.20 = 405,037.44/x
  3. Step 3: Cross multiply
    727,265.28x = 1,003,627.20 × 405,037.44
  4. Step 4: Simplify right side
    727,265.28x = 406,506,591,802.37
  5. Step 5: Solve for x
    x = 406,506,591,802.37/727,265.28
  6. Step 6: Final answer
    x = 558,952.29

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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.