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Finding the Fourth Proportional to 545,909.82, 753,347.88 and 304,202.58

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Solution

The fourth proportional to 545,909.82, 753,347.88 and 304,202.58 is: 419,795.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,909.82 : 753,347.88 = 304,202.58 : x
  2. Step 2: Convert to fraction form
    545,909.82/753,347.88 = 304,202.58/x
  3. Step 3: Cross multiply
    545,909.82x = 753,347.88 × 304,202.58
  4. Step 4: Simplify right side
    545,909.82x = 229,170,368,733.53
  5. Step 5: Solve for x
    x = 229,170,368,733.53/545,909.82
  6. Step 6: Final answer
    x = 419,795.29

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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.