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Finding the Fourth Proportional to 545,083.32, 752,236.71 and 303,376.08

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Solution

The fourth proportional to 545,083.32, 752,236.71 and 303,376.08 is: 418,671.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,083.32 : 752,236.71 = 303,376.08 : x
  2. Step 2: Convert to fraction form
    545,083.32/752,236.71 = 303,376.08/x
  3. Step 3: Cross multiply
    545,083.32x = 752,236.71 × 303,376.08
  4. Step 4: Simplify right side
    545,083.32x = 228,210,624,311.90
  5. Step 5: Solve for x
    x = 228,210,624,311.90/545,083.32
  6. Step 6: Final answer
    x = 418,671.08

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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.