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Finding the Fourth Proportional to 564,362.73, 778,780.13 and 322,655.49

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Solution

The fourth proportional to 564,362.73, 778,780.13 and 322,655.49 is: 445,241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,362.73 : 778,780.13 = 322,655.49 : x
  2. Step 2: Convert to fraction form
    564,362.73/778,780.13 = 322,655.49/x
  3. Step 3: Cross multiply
    564,362.73x = 778,780.13 × 322,655.49
  4. Step 4: Simplify right side
    564,362.73x = 251,277,682,097.14
  5. Step 5: Solve for x
    x = 251,277,682,097.14/564,362.73
  6. Step 6: Final answer
    x = 445,241.46

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1.5x scale

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.