Home / 547,860.63-756,033.57-306,145.19

Finding the Fourth Proportional to 547,860.63, 756,033.57 and 306,145.19

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Solution

The fourth proportional to 547,860.63, 756,033.57 and 306,145.19 is: 422,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,860.63 : 756,033.57 = 306,145.19 : x
  2. Step 2: Convert to fraction form
    547,860.63/756,033.57 = 306,145.19/x
  3. Step 3: Cross multiply
    547,860.63x = 756,033.57 × 306,145.19
  4. Step 4: Simplify right side
    547,860.63x = 231,456,037,153.86
  5. Step 5: Solve for x
    x = 231,456,037,153.86/547,860.63
  6. Step 6: Final answer
    x = 422,472.48

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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.