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Finding the Fourth Proportional to 404,565.87, 603,772.55 and 359,726.70

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Solution

The fourth proportional to 404,565.87, 603,772.55 and 359,726.70 is: 536,854.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,565.87 : 603,772.55 = 359,726.70 : x
  2. Step 2: Convert to fraction form
    404,565.87/603,772.55 = 359,726.70/x
  3. Step 3: Cross multiply
    404,565.87x = 603,772.55 × 359,726.70
  4. Step 4: Simplify right side
    404,565.87x = 217,193,106,962.09
  5. Step 5: Solve for x
    x = 217,193,106,962.09/404,565.87
  6. Step 6: Final answer
    x = 536,854.74

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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.