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Finding the Fourth Proportional to 649,339.76, 896,071.92 and 362,861.84

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Solution

The fourth proportional to 649,339.76, 896,071.92 and 362,861.84 is: 500,739.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,339.76 : 896,071.92 = 362,861.84 : x
  2. Step 2: Convert to fraction form
    649,339.76/896,071.92 = 362,861.84/x
  3. Step 3: Cross multiply
    649,339.76x = 896,071.92 × 362,861.84
  4. Step 4: Simplify right side
    649,339.76x = 325,150,305,663.53
  5. Step 5: Solve for x
    x = 325,150,305,663.53/649,339.76
  6. Step 6: Final answer
    x = 500,739.87

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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.