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Finding the Fourth Proportional to 545,914.82, 753,354.78 and 304,207.58

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Solution

The fourth proportional to 545,914.82, 753,354.78 and 304,207.58 is: 419,802.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,914.82 : 753,354.78 = 304,207.58 : x
  2. Step 2: Convert to fraction form
    545,914.82/753,354.78 = 304,207.58/x
  3. Step 3: Cross multiply
    545,914.82x = 753,354.78 × 304,207.58
  4. Step 4: Simplify right side
    545,914.82x = 229,176,234,505.23
  5. Step 5: Solve for x
    x = 229,176,234,505.23/545,914.82
  6. Step 6: Final answer
    x = 419,802.19

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1.5x scale

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.