Home / 557,822.17-769,794.69-303,173.38

Finding the Fourth Proportional to 557,822.17, 769,794.69 and 303,173.38

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Solution

The fourth proportional to 557,822.17, 769,794.69 and 303,173.38 is: 418,379.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,822.17 : 769,794.69 = 303,173.38 : x
  2. Step 2: Convert to fraction form
    557,822.17/769,794.69 = 303,173.38/x
  3. Step 3: Cross multiply
    557,822.17x = 769,794.69 × 303,173.38
  4. Step 4: Simplify right side
    557,822.17x = 233,381,258,073.35
  5. Step 5: Solve for x
    x = 233,381,258,073.35/557,822.17
  6. Step 6: Final answer
    x = 418,379.32

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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.