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Finding the Fourth Proportional to 545,459.82, 817,074.32 and 444,617.26

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Solution

The fourth proportional to 545,459.82, 817,074.32 and 444,617.26 is: 666,016.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,459.82 : 817,074.32 = 444,617.26 : x
  2. Step 2: Convert to fraction form
    545,459.82/817,074.32 = 444,617.26/x
  3. Step 3: Cross multiply
    545,459.82x = 817,074.32 × 444,617.26
  4. Step 4: Simplify right side
    545,459.82x = 363,285,345,374.76
  5. Step 5: Solve for x
    x = 363,285,345,374.76/545,459.82
  6. Step 6: Final answer
    x = 666,016.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.