Home / 557,655.48-769,569.21-303,006.69

Finding the Fourth Proportional to 557,655.48, 769,569.21 and 303,006.69

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Solution

The fourth proportional to 557,655.48, 769,569.21 and 303,006.69 is: 418,151.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,655.48 : 769,569.21 = 303,006.69 : x
  2. Step 2: Convert to fraction form
    557,655.48/769,569.21 = 303,006.69/x
  3. Step 3: Cross multiply
    557,655.48x = 769,569.21 × 303,006.69
  4. Step 4: Simplify right side
    557,655.48x = 233,184,619,048.02
  5. Step 5: Solve for x
    x = 233,184,619,048.02/557,655.48
  6. Step 6: Final answer
    x = 418,151.76

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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.