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Finding the Fourth Proportional to 545,598.09, 752,948.73 and 303,880.73

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Solution

The fourth proportional to 545,598.09, 752,948.73 and 303,880.73 is: 419,368.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,598.09 : 752,948.73 = 303,880.73 : x
  2. Step 2: Convert to fraction form
    545,598.09/752,948.73 = 303,880.73/x
  3. Step 3: Cross multiply
    545,598.09x = 752,948.73 × 303,880.73
  4. Step 4: Simplify right side
    545,598.09x = 228,806,605,960.23
  5. Step 5: Solve for x
    x = 228,806,605,960.23/545,598.09
  6. Step 6: Final answer
    x = 419,368.41

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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.