Home / 545,526.16-752,823.72-303,811.60

Finding the Fourth Proportional to 545,526.16, 752,823.72 and 303,811.60

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Solution

The fourth proportional to 545,526.16, 752,823.72 and 303,811.60 is: 419,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,526.16 : 752,823.72 = 303,811.60 : x
  2. Step 2: Convert to fraction form
    545,526.16/752,823.72 = 303,811.60/x
  3. Step 3: Cross multiply
    545,526.16x = 752,823.72 × 303,811.60
  4. Step 4: Simplify right side
    545,526.16x = 228,716,578,891.15
  5. Step 5: Solve for x
    x = 228,716,578,891.15/545,526.16
  6. Step 6: Final answer
    x = 419,258.68

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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.