Home / 886,895.30-1,330,342.95-325,856.90

Finding the Fourth Proportional to 886,895.30, 1,330,342.95 and 325,856.90

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Solution

The fourth proportional to 886,895.30, 1,330,342.95 and 325,856.90 is: 488,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,895.30 : 1,330,342.95 = 325,856.90 : x
  2. Step 2: Convert to fraction form
    886,895.30/1,330,342.95 = 325,856.90/x
  3. Step 3: Cross multiply
    886,895.30x = 1,330,342.95 × 325,856.90
  4. Step 4: Simplify right side
    886,895.30x = 433,501,429,623.86
  5. Step 5: Solve for x
    x = 433,501,429,623.86/886,895.30
  6. Step 6: Final answer
    x = 488,785.35

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Double scale
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Similar ratio
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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.