Home / 545,283.18-752,515.37-303,581.40

Finding the Fourth Proportional to 545,283.18, 752,515.37 and 303,581.40

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Solution

The fourth proportional to 545,283.18, 752,515.37 and 303,581.40 is: 418,956.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,283.18 : 752,515.37 = 303,581.40 : x
  2. Step 2: Convert to fraction form
    545,283.18/752,515.37 = 303,581.40/x
  3. Step 3: Cross multiply
    545,283.18x = 752,515.37 × 303,581.40
  4. Step 4: Simplify right side
    545,283.18x = 228,449,668,028.21
  5. Step 5: Solve for x
    x = 228,449,668,028.21/545,283.18
  6. Step 6: Final answer
    x = 418,956.01

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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.