Home / 557,104-769,436.52-375,502.96

Finding the Fourth Proportional to 557,104, 769,436.52 and 375,502.96

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Solution

The fourth proportional to 557,104, 769,436.52 and 375,502.96 is: 518,620.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,104 : 769,436.52 = 375,502.96 : x
  2. Step 2: Convert to fraction form
    557,104/769,436.52 = 375,502.96/x
  3. Step 3: Cross multiply
    557,104x = 769,436.52 × 375,502.96
  4. Step 4: Simplify right side
    557,104x = 288,925,690,792.10
  5. Step 5: Solve for x
    x = 288,925,690,792.10/557,104
  6. Step 6: Final answer
    x = 518,620.74

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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.