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Finding the Fourth Proportional to 564,249.02, 778,663.61 and 322,536.77

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Solution

The fourth proportional to 564,249.02, 778,663.61 and 322,536.77 is: 445,100.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,249.02 : 778,663.61 = 322,536.77 : x
  2. Step 2: Convert to fraction form
    564,249.02/778,663.61 = 322,536.77/x
  3. Step 3: Cross multiply
    564,249.02x = 778,663.61 × 322,536.77
  4. Step 4: Simplify right side
    564,249.02x = 251,147,640,179.94
  5. Step 5: Solve for x
    x = 251,147,640,179.94/564,249.02
  6. Step 6: Final answer
    x = 445,100.72

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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.