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Finding the Fourth Proportional to 564,647.73, 778,871.46 and 335,053.70

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Solution

The fourth proportional to 564,647.73, 778,871.46 and 335,053.70 is: 462,170.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,647.73 : 778,871.46 = 335,053.70 : x
  2. Step 2: Convert to fraction form
    564,647.73/778,871.46 = 335,053.70/x
  3. Step 3: Cross multiply
    564,647.73x = 778,871.46 × 335,053.70
  4. Step 4: Simplify right side
    564,647.73x = 260,963,764,497.40
  5. Step 5: Solve for x
    x = 260,963,764,497.40/564,647.73
  6. Step 6: Final answer
    x = 462,170.93

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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.