Home / 803,212.80-1,108,429.16-440,627.37

Finding the Fourth Proportional to 803,212.80, 1,108,429.16 and 440,627.37

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Solution

The fourth proportional to 803,212.80, 1,108,429.16 and 440,627.37 is: 608,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,212.80 : 1,108,429.16 = 440,627.37 : x
  2. Step 2: Convert to fraction form
    803,212.80/1,108,429.16 = 440,627.37/x
  3. Step 3: Cross multiply
    803,212.80x = 1,108,429.16 × 440,627.37
  4. Step 4: Simplify right side
    803,212.80x = 488,404,223,398.97
  5. Step 5: Solve for x
    x = 488,404,223,398.97/803,212.80
  6. Step 6: Final answer
    x = 608,063.30

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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.