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Finding the Fourth Proportional to 544,602.06, 816,764.35 and 386,166.21

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Solution

The fourth proportional to 544,602.06, 816,764.35 and 386,166.21 is: 579,150.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,602.06 : 816,764.35 = 386,166.21 : x
  2. Step 2: Convert to fraction form
    544,602.06/816,764.35 = 386,166.21/x
  3. Step 3: Cross multiply
    544,602.06x = 816,764.35 × 386,166.21
  4. Step 4: Simplify right side
    544,602.06x = 315,406,793,502.61
  5. Step 5: Solve for x
    x = 315,406,793,502.61/544,602.06
  6. Step 6: Final answer
    x = 579,150.94

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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.