Home / 803,926.32-1,109,431.32-441,383.60

Finding the Fourth Proportional to 803,926.32, 1,109,431.32 and 441,383.60

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Solution

The fourth proportional to 803,926.32, 1,109,431.32 and 441,383.60 is: 609,116.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,926.32 : 1,109,431.32 = 441,383.60 : x
  2. Step 2: Convert to fraction form
    803,926.32/1,109,431.32 = 441,383.60/x
  3. Step 3: Cross multiply
    803,926.32x = 1,109,431.32 × 441,383.60
  4. Step 4: Simplify right side
    803,926.32x = 489,684,789,974.35
  5. Step 5: Solve for x
    x = 489,684,789,974.35/803,926.32
  6. Step 6: Final answer
    x = 609,116.50

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1.5x scale

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.