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Finding the Fourth Proportional to 550,551.73, 759,760.15 and 305,574.02

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Solution

The fourth proportional to 550,551.73, 759,760.15 and 305,574.02 is: 421,691.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,551.73 : 759,760.15 = 305,574.02 : x
  2. Step 2: Convert to fraction form
    550,551.73/759,760.15 = 305,574.02/x
  3. Step 3: Cross multiply
    550,551.73x = 759,760.15 × 305,574.02
  4. Step 4: Simplify right side
    550,551.73x = 232,162,963,271.30
  5. Step 5: Solve for x
    x = 232,162,963,271.30/550,551.73
  6. Step 6: Final answer
    x = 421,691.46

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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.