Home / 547,997.40-756,271.87-306,290.16

Finding the Fourth Proportional to 547,997.40, 756,271.87 and 306,290.16

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Solution

The fourth proportional to 547,997.40, 756,271.87 and 306,290.16 is: 422,700.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,997.40 : 756,271.87 = 306,290.16 : x
  2. Step 2: Convert to fraction form
    547,997.40/756,271.87 = 306,290.16/x
  3. Step 3: Cross multiply
    547,997.40x = 756,271.87 × 306,290.16
  4. Step 4: Simplify right side
    547,997.40x = 231,638,632,065.80
  5. Step 5: Solve for x
    x = 231,638,632,065.80/547,997.40
  6. Step 6: Final answer
    x = 422,700.24

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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.