Home / 557,945.35-769,972.24-303,302.01

Finding the Fourth Proportional to 557,945.35, 769,972.24 and 303,302.01

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Solution

The fourth proportional to 557,945.35, 769,972.24 and 303,302.01 is: 418,560.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,945.35 : 769,972.24 = 303,302.01 : x
  2. Step 2: Convert to fraction form
    557,945.35/769,972.24 = 303,302.01/x
  3. Step 3: Cross multiply
    557,945.35x = 769,972.24 × 303,302.01
  4. Step 4: Simplify right side
    557,945.35x = 233,534,123,428.09
  5. Step 5: Solve for x
    x = 233,534,123,428.09/557,945.35
  6. Step 6: Final answer
    x = 418,560.93

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Double scale
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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.