Home / 547,922.64-756,136.05-306,209.25

Finding the Fourth Proportional to 547,922.64, 756,136.05 and 306,209.25

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Solution

The fourth proportional to 547,922.64, 756,136.05 and 306,209.25 is: 422,570.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,922.64 : 756,136.05 = 306,209.25 : x
  2. Step 2: Convert to fraction form
    547,922.64/756,136.05 = 306,209.25/x
  3. Step 3: Cross multiply
    547,922.64x = 756,136.05 × 306,209.25
  4. Step 4: Simplify right side
    547,922.64x = 231,535,852,768.46
  5. Step 5: Solve for x
    x = 231,535,852,768.46/547,922.64
  6. Step 6: Final answer
    x = 422,570.33

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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.