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Finding the Fourth Proportional to 538,801.77, 808,517.75 and 299,117.51

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Solution

The fourth proportional to 538,801.77, 808,517.75 and 299,117.51 is: 448,851.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,801.77 : 808,517.75 = 299,117.51 : x
  2. Step 2: Convert to fraction form
    538,801.77/808,517.75 = 299,117.51/x
  3. Step 3: Cross multiply
    538,801.77x = 808,517.75 × 299,117.51
  4. Step 4: Simplify right side
    538,801.77x = 241,841,810,632.63
  5. Step 5: Solve for x
    x = 241,841,810,632.63/538,801.77
  6. Step 6: Final answer
    x = 448,851.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.