Home / 949,305.28-1,309,990.82-519,502.38

Finding the Fourth Proportional to 949,305.28, 1,309,990.82 and 519,502.38

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Solution

The fourth proportional to 949,305.28, 1,309,990.82 and 519,502.38 is: 716,885.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,305.28 : 1,309,990.82 = 519,502.38 : x
  2. Step 2: Convert to fraction form
    949,305.28/1,309,990.82 = 519,502.38/x
  3. Step 3: Cross multiply
    949,305.28x = 1,309,990.82 × 519,502.38
  4. Step 4: Simplify right side
    949,305.28x = 680,543,348,768.15
  5. Step 5: Solve for x
    x = 680,543,348,768.15/949,305.28
  6. Step 6: Final answer
    x = 716,885.67

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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.