Home / 850,886.30-1,276,328.10-395,228.36

Finding the Fourth Proportional to 850,886.30, 1,276,328.10 and 395,228.36

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Solution

The fourth proportional to 850,886.30, 1,276,328.10 and 395,228.36 is: 592,841.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,886.30 : 1,276,328.10 = 395,228.36 : x
  2. Step 2: Convert to fraction form
    850,886.30/1,276,328.10 = 395,228.36/x
  3. Step 3: Cross multiply
    850,886.30x = 1,276,328.10 × 395,228.36
  4. Step 4: Simplify right side
    850,886.30x = 504,441,061,784.92
  5. Step 5: Solve for x
    x = 504,441,061,784.92/850,886.30
  6. Step 6: Final answer
    x = 592,841.91

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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.