Home / 810,835.11-1,118,984.02-538,433.33

Finding the Fourth Proportional to 810,835.11, 1,118,984.02 and 538,433.33

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Solution

The fourth proportional to 810,835.11, 1,118,984.02 and 538,433.33 is: 743,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,835.11 : 1,118,984.02 = 538,433.33 : x
  2. Step 2: Convert to fraction form
    810,835.11/1,118,984.02 = 538,433.33/x
  3. Step 3: Cross multiply
    810,835.11x = 1,118,984.02 × 538,433.33
  4. Step 4: Simplify right side
    810,835.11x = 602,498,285,164.38
  5. Step 5: Solve for x
    x = 602,498,285,164.38/810,835.11
  6. Step 6: Final answer
    x = 743,058.95

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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.