Home / 377,366.24-520,802.26-281,706.86

Finding the Fourth Proportional to 377,366.24, 520,802.26 and 281,706.86

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Solution

The fourth proportional to 377,366.24, 520,802.26 and 281,706.86 is: 388,782.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,366.24 : 520,802.26 = 281,706.86 : x
  2. Step 2: Convert to fraction form
    377,366.24/520,802.26 = 281,706.86/x
  3. Step 3: Cross multiply
    377,366.24x = 520,802.26 × 281,706.86
  4. Step 4: Simplify right side
    377,366.24x = 146,713,569,943.24
  5. Step 5: Solve for x
    x = 146,713,569,943.24/377,366.24
  6. Step 6: Final answer
    x = 388,782.97

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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.