Home / 557,829.18-769,804.36-303,180.38

Finding the Fourth Proportional to 557,829.18, 769,804.36 and 303,180.38

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Solution

The fourth proportional to 557,829.18, 769,804.36 and 303,180.38 is: 418,388.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,829.18 : 769,804.36 = 303,180.38 : x
  2. Step 2: Convert to fraction form
    557,829.18/769,804.36 = 303,180.38/x
  3. Step 3: Cross multiply
    557,829.18x = 769,804.36 × 303,180.38
  4. Step 4: Simplify right side
    557,829.18x = 233,389,578,390.46
  5. Step 5: Solve for x
    x = 233,389,578,390.46/557,829.18
  6. Step 6: Final answer
    x = 418,388.97

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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.