Home / 769,623.24-1,061,988.06-425,412.68

Finding the Fourth Proportional to 769,623.24, 1,061,988.06 and 425,412.68

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Solution

The fourth proportional to 769,623.24, 1,061,988.06 and 425,412.68 is: 587,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,623.24 : 1,061,988.06 = 425,412.68 : x
  2. Step 2: Convert to fraction form
    769,623.24/1,061,988.06 = 425,412.68/x
  3. Step 3: Cross multiply
    769,623.24x = 1,061,988.06 × 425,412.68
  4. Step 4: Simplify right side
    769,623.24x = 451,783,185,258.12
  5. Step 5: Solve for x
    x = 451,783,185,258.12/769,623.24
  6. Step 6: Final answer
    x = 587,018.64

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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.