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Finding the Fourth Proportional to 377,579.70, 566,369.55 and 371,018.70

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Solution

The fourth proportional to 377,579.70, 566,369.55 and 371,018.70 is: 556,528.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,579.70 : 566,369.55 = 371,018.70 : x
  2. Step 2: Convert to fraction form
    377,579.70/566,369.55 = 371,018.70/x
  3. Step 3: Cross multiply
    377,579.70x = 566,369.55 × 371,018.70
  4. Step 4: Simplify right side
    377,579.70x = 210,133,694,160.59
  5. Step 5: Solve for x
    x = 210,133,694,160.59/377,579.70
  6. Step 6: Final answer
    x = 556,528.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.