Home / 545,157.19-752,316.85-303,434.54

Finding the Fourth Proportional to 545,157.19, 752,316.85 and 303,434.54

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Solution

The fourth proportional to 545,157.19, 752,316.85 and 303,434.54 is: 418,739.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,157.19 : 752,316.85 = 303,434.54 : x
  2. Step 2: Convert to fraction form
    545,157.19/752,316.85 = 303,434.54/x
  3. Step 3: Cross multiply
    545,157.19x = 752,316.85 × 303,434.54
  4. Step 4: Simplify right side
    545,157.19x = 228,278,917,314.00
  5. Step 5: Solve for x
    x = 228,278,917,314.00/545,157.19
  6. Step 6: Final answer
    x = 418,739.63

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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.