Home / 805,255.61-1,111,274.01-437,757.46

Finding the Fourth Proportional to 805,255.61, 1,111,274.01 and 437,757.46

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Solution

The fourth proportional to 805,255.61, 1,111,274.01 and 437,757.46 is: 604,116.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,255.61 : 1,111,274.01 = 437,757.46 : x
  2. Step 2: Convert to fraction form
    805,255.61/1,111,274.01 = 437,757.46/x
  3. Step 3: Cross multiply
    805,255.61x = 1,111,274.01 × 437,757.46
  4. Step 4: Simplify right side
    805,255.61x = 486,468,485,203.43
  5. Step 5: Solve for x
    x = 486,468,485,203.43/805,255.61
  6. Step 6: Final answer
    x = 604,116.86

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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.