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Finding the Fourth Proportional to 545,323.46, 752,544.74 and 303,599.81

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Solution

The fourth proportional to 545,323.46, 752,544.74 and 303,599.81 is: 418,966.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,323.46 : 752,544.74 = 303,599.81 : x
  2. Step 2: Convert to fraction form
    545,323.46/752,544.74 = 303,599.81/x
  3. Step 3: Cross multiply
    545,323.46x = 752,544.74 × 303,599.81
  4. Step 4: Simplify right side
    545,323.46x = 228,472,434,799.78
  5. Step 5: Solve for x
    x = 228,472,434,799.78/545,323.46
  6. Step 6: Final answer
    x = 418,966.82

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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.