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Finding the Fourth Proportional to 666,350.82, 999,225.72 and 329,259.96

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Solution

The fourth proportional to 666,350.82, 999,225.72 and 329,259.96 is: 493,741.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,350.82 : 999,225.72 = 329,259.96 : x
  2. Step 2: Convert to fraction form
    666,350.82/999,225.72 = 329,259.96/x
  3. Step 3: Cross multiply
    666,350.82x = 999,225.72 × 329,259.96
  4. Step 4: Simplify right side
    666,350.82x = 329,005,020,598.17
  5. Step 5: Solve for x
    x = 329,005,020,598.17/666,350.82
  6. Step 6: Final answer
    x = 493,741.45

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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.