Home / 545,961.99-753,433.05-300,955.47

Finding the Fourth Proportional to 545,961.99, 753,433.05 and 300,955.47

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Solution

The fourth proportional to 545,961.99, 753,433.05 and 300,955.47 is: 415,321.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,961.99 : 753,433.05 = 300,955.47 : x
  2. Step 2: Convert to fraction form
    545,961.99/753,433.05 = 300,955.47/x
  3. Step 3: Cross multiply
    545,961.99x = 753,433.05 × 300,955.47
  4. Step 4: Simplify right side
    545,961.99x = 226,749,793,909.12
  5. Step 5: Solve for x
    x = 226,749,793,909.12/545,961.99
  6. Step 6: Final answer
    x = 415,321.58

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Similar ratio
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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.