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Finding the Fourth Proportional to 545,010.46, 752,119.44 and 303,303.22

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Solution

The fourth proportional to 545,010.46, 752,119.44 and 303,303.22 is: 418,561.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,010.46 : 752,119.44 = 303,303.22 : x
  2. Step 2: Convert to fraction form
    545,010.46/752,119.44 = 303,303.22/x
  3. Step 3: Cross multiply
    545,010.46x = 752,119.44 × 303,303.22
  4. Step 4: Simplify right side
    545,010.46x = 228,120,247,976.60
  5. Step 5: Solve for x
    x = 228,120,247,976.60/545,010.46
  6. Step 6: Final answer
    x = 418,561.23

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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.