Home / 841,896.38-1,262,057.24-309,274.40

Finding the Fourth Proportional to 841,896.38, 1,262,057.24 and 309,274.40

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Solution

The fourth proportional to 841,896.38, 1,262,057.24 and 309,274.40 is: 463,622.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,896.38 : 1,262,057.24 = 309,274.40 : x
  2. Step 2: Convert to fraction form
    841,896.38/1,262,057.24 = 309,274.40/x
  3. Step 3: Cross multiply
    841,896.38x = 1,262,057.24 × 309,274.40
  4. Step 4: Simplify right side
    841,896.38x = 390,321,995,666.66
  5. Step 5: Solve for x
    x = 390,321,995,666.66/841,896.38
  6. Step 6: Final answer
    x = 463,622.37

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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.