Home / 841,724.52-1,263,089.84-309,299.38

Finding the Fourth Proportional to 841,724.52, 1,263,089.84 and 309,299.38

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Solution

The fourth proportional to 841,724.52, 1,263,089.84 and 309,299.38 is: 464,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,724.52 : 1,263,089.84 = 309,299.38 : x
  2. Step 2: Convert to fraction form
    841,724.52/1,263,089.84 = 309,299.38/x
  3. Step 3: Cross multiply
    841,724.52x = 1,263,089.84 × 309,299.38
  4. Step 4: Simplify right side
    841,724.52x = 390,672,904,396.30
  5. Step 5: Solve for x
    x = 390,672,904,396.30/841,724.52
  6. Step 6: Final answer
    x = 464,133.92

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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.