Home / 557,916.78-769,925.68-303,267.97

Finding the Fourth Proportional to 557,916.78, 769,925.68 and 303,267.97

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Solution

The fourth proportional to 557,916.78, 769,925.68 and 303,267.97 is: 418,510.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,916.78 : 769,925.68 = 303,267.97 : x
  2. Step 2: Convert to fraction form
    557,916.78/769,925.68 = 303,267.97/x
  3. Step 3: Cross multiply
    557,916.78x = 769,925.68 × 303,267.97
  4. Step 4: Simplify right side
    557,916.78x = 233,493,798,228.71
  5. Step 5: Solve for x
    x = 233,493,798,228.71/557,916.78
  6. Step 6: Final answer
    x = 418,510.08

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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.