Home / 439,823.44-659,382.94-288,959.32

Finding the Fourth Proportional to 439,823.44, 659,382.94 and 288,959.32

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Solution

The fourth proportional to 439,823.44, 659,382.94 and 288,959.32 is: 433,207.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,823.44 : 659,382.94 = 288,959.32 : x
  2. Step 2: Convert to fraction form
    439,823.44/659,382.94 = 288,959.32/x
  3. Step 3: Cross multiply
    439,823.44x = 659,382.94 × 288,959.32
  4. Step 4: Simplify right side
    439,823.44x = 190,534,845,962.00
  5. Step 5: Solve for x
    x = 190,534,845,962.00/439,823.44
  6. Step 6: Final answer
    x = 433,207.58

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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.