Home / 802,549.89-1,107,511.79-439,967.16

Finding the Fourth Proportional to 802,549.89, 1,107,511.79 and 439,967.16

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Solution

The fourth proportional to 802,549.89, 1,107,511.79 and 439,967.16 is: 607,150.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,549.89 : 1,107,511.79 = 439,967.16 : x
  2. Step 2: Convert to fraction form
    802,549.89/1,107,511.79 = 439,967.16/x
  3. Step 3: Cross multiply
    802,549.89x = 1,107,511.79 × 439,967.16
  4. Step 4: Simplify right side
    802,549.89x = 487,268,814,712.98
  5. Step 5: Solve for x
    x = 487,268,814,712.98/802,549.89
  6. Step 6: Final answer
    x = 607,150.81

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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.