Home / 683,311.50-942,961.68-377,400.42

Finding the Fourth Proportional to 683,311.50, 942,961.68 and 377,400.42

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Solution

The fourth proportional to 683,311.50, 942,961.68 and 377,400.42 is: 520,808.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,311.50 : 942,961.68 = 377,400.42 : x
  2. Step 2: Convert to fraction form
    683,311.50/942,961.68 = 377,400.42/x
  3. Step 3: Cross multiply
    683,311.50x = 942,961.68 × 377,400.42
  4. Step 4: Simplify right side
    683,311.50x = 355,874,134,075.91
  5. Step 5: Solve for x
    x = 355,874,134,075.91/683,311.50
  6. Step 6: Final answer
    x = 520,808.06

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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.