Home / 545,284.21-752,477.54-303,566.81

Finding the Fourth Proportional to 545,284.21, 752,477.54 and 303,566.81

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Solution

The fourth proportional to 545,284.21, 752,477.54 and 303,566.81 is: 418,914.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,284.21 : 752,477.54 = 303,566.81 : x
  2. Step 2: Convert to fraction form
    545,284.21/752,477.54 = 303,566.81/x
  3. Step 3: Cross multiply
    545,284.21x = 752,477.54 × 303,566.81
  4. Step 4: Simplify right side
    545,284.21x = 228,427,204,465.91
  5. Step 5: Solve for x
    x = 228,427,204,465.91/545,284.21
  6. Step 6: Final answer
    x = 418,914.03

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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.