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Finding the Fourth Proportional to 564,377.76, 778,619.60 and 322,530.59

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Solution

The fourth proportional to 564,377.76, 778,619.60 and 322,530.59 is: 444,965.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,377.76 : 778,619.60 = 322,530.59 : x
  2. Step 2: Convert to fraction form
    564,377.76/778,619.60 = 322,530.59/x
  3. Step 3: Cross multiply
    564,377.76x = 778,619.60 × 322,530.59
  4. Step 4: Simplify right side
    564,377.76x = 251,128,638,973.56
  5. Step 5: Solve for x
    x = 251,128,638,973.56/564,377.76
  6. Step 6: Final answer
    x = 444,965.51

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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.