Home / 557,289.24-768,585.42-375,972.36

Finding the Fourth Proportional to 557,289.24, 768,585.42 and 375,972.36

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Solution

The fourth proportional to 557,289.24, 768,585.42 and 375,972.36 is: 518,522.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,289.24 : 768,585.42 = 375,972.36 : x
  2. Step 2: Convert to fraction form
    557,289.24/768,585.42 = 375,972.36/x
  3. Step 3: Cross multiply
    557,289.24x = 768,585.42 × 375,972.36
  4. Step 4: Simplify right side
    557,289.24x = 288,966,874,218.99
  5. Step 5: Solve for x
    x = 288,966,874,218.99/557,289.24
  6. Step 6: Final answer
    x = 518,522.26

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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.