Home / 846,555.36-1,269,755.28-285,594.72

Finding the Fourth Proportional to 846,555.36, 1,269,755.28 and 285,594.72

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Solution

The fourth proportional to 846,555.36, 1,269,755.28 and 285,594.72 is: 428,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,555.36 : 1,269,755.28 = 285,594.72 : x
  2. Step 2: Convert to fraction form
    846,555.36/1,269,755.28 = 285,594.72/x
  3. Step 3: Cross multiply
    846,555.36x = 1,269,755.28 × 285,594.72
  4. Step 4: Simplify right side
    846,555.36x = 362,635,403,660.12
  5. Step 5: Solve for x
    x = 362,635,403,660.12/846,555.36
  6. Step 6: Final answer
    x = 428,365.85

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Double scale
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1.5x scale

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.