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Finding the Fourth Proportional to 404,567.87, 603,775.55 and 359,728.70

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Solution

The fourth proportional to 404,567.87, 603,775.55 and 359,728.70 is: 536,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,567.87 : 603,775.55 = 359,728.70 : x
  2. Step 2: Convert to fraction form
    404,567.87/603,775.55 = 359,728.70/x
  3. Step 3: Cross multiply
    404,567.87x = 603,775.55 × 359,728.70
  4. Step 4: Simplify right side
    404,567.87x = 217,195,391,573.73
  5. Step 5: Solve for x
    x = 217,195,391,573.73/404,567.87
  6. Step 6: Final answer
    x = 536,857.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.