Home / 538,577.63-743,242.08-296,869.48

Finding the Fourth Proportional to 538,577.63, 743,242.08 and 296,869.48

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Solution

The fourth proportional to 538,577.63, 743,242.08 and 296,869.48 is: 409,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,577.63 : 743,242.08 = 296,869.48 : x
  2. Step 2: Convert to fraction form
    538,577.63/743,242.08 = 296,869.48/x
  3. Step 3: Cross multiply
    538,577.63x = 743,242.08 × 296,869.48
  4. Step 4: Simplify right side
    538,577.63x = 220,645,886,087.51
  5. Step 5: Solve for x
    x = 220,645,886,087.51/538,577.63
  6. Step 6: Final answer
    x = 409,682.60

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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.