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Finding the Fourth Proportional to 545,207.28, 752,377.98 and 303,489.51

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Solution

The fourth proportional to 545,207.28, 752,377.98 and 303,489.51 is: 418,811.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,207.28 : 752,377.98 = 303,489.51 : x
  2. Step 2: Convert to fraction form
    545,207.28/752,377.98 = 303,489.51/x
  3. Step 3: Cross multiply
    545,207.28x = 752,377.98 × 303,489.51
  4. Step 4: Simplify right side
    545,207.28x = 228,338,824,484.99
  5. Step 5: Solve for x
    x = 228,338,824,484.99/545,207.28
  6. Step 6: Final answer
    x = 418,811.03

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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.