Home / 545,330.22-752,554.05-303,606.57

Finding the Fourth Proportional to 545,330.22, 752,554.05 and 303,606.57

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Solution

The fourth proportional to 545,330.22, 752,554.05 and 303,606.57 is: 418,976.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,330.22 : 752,554.05 = 303,606.57 : x
  2. Step 2: Convert to fraction form
    545,330.22/752,554.05 = 303,606.57/x
  3. Step 3: Cross multiply
    545,330.22x = 752,554.05 × 303,606.57
  4. Step 4: Simplify right side
    545,330.22x = 228,480,353,860.11
  5. Step 5: Solve for x
    x = 228,480,353,860.11/545,330.22
  6. Step 6: Final answer
    x = 418,976.15

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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.