Home / 949,299.29-1,309,982.55-519,496.38

Finding the Fourth Proportional to 949,299.29, 1,309,982.55 and 519,496.38

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Solution

The fourth proportional to 949,299.29, 1,309,982.55 and 519,496.38 is: 716,877.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,299.29 : 1,309,982.55 = 519,496.38 : x
  2. Step 2: Convert to fraction form
    949,299.29/1,309,982.55 = 519,496.38/x
  3. Step 3: Cross multiply
    949,299.29x = 1,309,982.55 × 519,496.38
  4. Step 4: Simplify right side
    949,299.29x = 680,531,192,588.17
  5. Step 5: Solve for x
    x = 680,531,192,588.17/949,299.29
  6. Step 6: Final answer
    x = 716,877.38

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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.