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Finding the Fourth Proportional to 556,110.96, 767,162.52 and 329,596.08

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Solution

The fourth proportional to 556,110.96, 767,162.52 and 329,596.08 is: 454,682.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,110.96 : 767,162.52 = 329,596.08 : x
  2. Step 2: Convert to fraction form
    556,110.96/767,162.52 = 329,596.08/x
  3. Step 3: Cross multiply
    556,110.96x = 767,162.52 × 329,596.08
  4. Step 4: Simplify right side
    556,110.96x = 252,853,759,314.92
  5. Step 5: Solve for x
    x = 252,853,759,314.92/556,110.96
  6. Step 6: Final answer
    x = 454,682.21

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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.