Home / 550,972.28-760,300.03-309,208.14

Finding the Fourth Proportional to 550,972.28, 760,300.03 and 309,208.14

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Solution

The fourth proportional to 550,972.28, 760,300.03 and 309,208.14 is: 426,683.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,972.28 : 760,300.03 = 309,208.14 : x
  2. Step 2: Convert to fraction form
    550,972.28/760,300.03 = 309,208.14/x
  3. Step 3: Cross multiply
    550,972.28x = 760,300.03 × 309,208.14
  4. Step 4: Simplify right side
    550,972.28x = 235,090,959,773.45
  5. Step 5: Solve for x
    x = 235,090,959,773.45/550,972.28
  6. Step 6: Final answer
    x = 426,683.83

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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.