Home / 802,573.61-1,107,551.31-439,989.69

Finding the Fourth Proportional to 802,573.61, 1,107,551.31 and 439,989.69

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Solution

The fourth proportional to 802,573.61, 1,107,551.31 and 439,989.69 is: 607,185.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,573.61 : 1,107,551.31 = 439,989.69 : x
  2. Step 2: Convert to fraction form
    802,573.61/1,107,551.31 = 439,989.69/x
  3. Step 3: Cross multiply
    802,573.61x = 1,107,551.31 × 439,989.69
  4. Step 4: Simplify right side
    802,573.61x = 487,311,161,414.85
  5. Step 5: Solve for x
    x = 487,311,161,414.85/802,573.61
  6. Step 6: Final answer
    x = 607,185.63

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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.