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Finding the Fourth Proportional to 564,427.58, 778,910.31 and 322,714.94

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Solution

The fourth proportional to 564,427.58, 778,910.31 and 322,714.94 is: 445,346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,427.58 : 778,910.31 = 322,714.94 : x
  2. Step 2: Convert to fraction form
    564,427.58/778,910.31 = 322,714.94/x
  3. Step 3: Cross multiply
    564,427.58x = 778,910.31 × 322,714.94
  4. Step 4: Simplify right side
    564,427.58x = 251,365,990,062.48
  5. Step 5: Solve for x
    x = 251,365,990,062.48/564,427.58
  6. Step 6: Final answer
    x = 445,346.76

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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.