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Finding the Fourth Proportional to 545,696.56, 752,961.32 and 303,973.12

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Solution

The fourth proportional to 545,696.56, 752,961.32 and 303,973.12 is: 419,427.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,696.56 : 752,961.32 = 303,973.12 : x
  2. Step 2: Convert to fraction form
    545,696.56/752,961.32 = 303,973.12/x
  3. Step 3: Cross multiply
    545,696.56x = 752,961.32 × 303,973.12
  4. Step 4: Simplify right side
    545,696.56x = 228,880,001,679.72
  5. Step 5: Solve for x
    x = 228,880,001,679.72/545,696.56
  6. Step 6: Final answer
    x = 419,427.24

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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.