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Finding the Fourth Proportional to 604,064.35, 905,530.65 and 204,425.35

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Solution

The fourth proportional to 604,064.35, 905,530.65 and 204,425.35 is: 306,446.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,064.35 : 905,530.65 = 204,425.35 : x
  2. Step 2: Convert to fraction form
    604,064.35/905,530.65 = 204,425.35/x
  3. Step 3: Cross multiply
    604,064.35x = 905,530.65 × 204,425.35
  4. Step 4: Simplify right side
    604,064.35x = 185,113,420,061.98
  5. Step 5: Solve for x
    x = 185,113,420,061.98/604,064.35
  6. Step 6: Final answer
    x = 306,446.52

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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.