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Finding the Fourth Proportional to 545,450.79, 752,774.40 and 303,733.29

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Solution

The fourth proportional to 545,450.79, 752,774.40 and 303,733.29 is: 419,181.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,450.79 : 752,774.40 = 303,733.29 : x
  2. Step 2: Convert to fraction form
    545,450.79/752,774.40 = 303,733.29/x
  3. Step 3: Cross multiply
    545,450.79x = 752,774.40 × 303,733.29
  4. Step 4: Simplify right side
    545,450.79x = 228,642,645,139.78
  5. Step 5: Solve for x
    x = 228,642,645,139.78/545,450.79
  6. Step 6: Final answer
    x = 419,181.07

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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.