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Finding the Fourth Proportional to 545,427.08, 752,711.57 and 303,694.32

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Solution

The fourth proportional to 545,427.08, 752,711.57 and 303,694.32 is: 419,110.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,427.08 : 752,711.57 = 303,694.32 : x
  2. Step 2: Convert to fraction form
    545,427.08/752,711.57 = 303,694.32/x
  3. Step 3: Cross multiply
    545,427.08x = 752,711.57 × 303,694.32
  4. Step 4: Simplify right side
    545,427.08x = 228,594,228,407.28
  5. Step 5: Solve for x
    x = 228,594,228,407.28/545,427.08
  6. Step 6: Final answer
    x = 419,110.52

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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.