Home / 545,228.14-752,439.80-303,526.38

Finding the Fourth Proportional to 545,228.14, 752,439.80 and 303,526.38

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Solution

The fourth proportional to 545,228.14, 752,439.80 and 303,526.38 is: 418,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,228.14 : 752,439.80 = 303,526.38 : x
  2. Step 2: Convert to fraction form
    545,228.14/752,439.80 = 303,526.38/x
  3. Step 3: Cross multiply
    545,228.14x = 752,439.80 × 303,526.38
  4. Step 4: Simplify right side
    545,228.14x = 228,385,328,661.92
  5. Step 5: Solve for x
    x = 228,385,328,661.92/545,228.14
  6. Step 6: Final answer
    x = 418,880.30

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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.