Home / 805,280.28-1,111,244.04-442,634.34

Finding the Fourth Proportional to 805,280.28, 1,111,244.04 and 442,634.34

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Solution

The fourth proportional to 805,280.28, 1,111,244.04 and 442,634.34 is: 610,811.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,280.28 : 1,111,244.04 = 442,634.34 : x
  2. Step 2: Convert to fraction form
    805,280.28/1,111,244.04 = 442,634.34/x
  3. Step 3: Cross multiply
    805,280.28x = 1,111,244.04 × 442,634.34
  4. Step 4: Simplify right side
    805,280.28x = 491,874,772,224.33
  5. Step 5: Solve for x
    x = 491,874,772,224.33/805,280.28
  6. Step 6: Final answer
    x = 610,811.89

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Double scale
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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.