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Finding the Fourth Proportional to 540,424.60, 808,304.10 and 456,443.80

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Solution

The fourth proportional to 540,424.60, 808,304.10 and 456,443.80 is: 682,695.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,424.60 : 808,304.10 = 456,443.80 : x
  2. Step 2: Convert to fraction form
    540,424.60/808,304.10 = 456,443.80/x
  3. Step 3: Cross multiply
    540,424.60x = 808,304.10 × 456,443.80
  4. Step 4: Simplify right side
    540,424.60x = 368,945,394,959.58
  5. Step 5: Solve for x
    x = 368,945,394,959.58/540,424.60
  6. Step 6: Final answer
    x = 682,695.41

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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.