Home / 637,288.46-879,477.90-346,919.36

Finding the Fourth Proportional to 637,288.46, 879,477.90 and 346,919.36

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Solution

The fourth proportional to 637,288.46, 879,477.90 and 346,919.36 is: 478,759.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,288.46 : 879,477.90 = 346,919.36 : x
  2. Step 2: Convert to fraction form
    637,288.46/879,477.90 = 346,919.36/x
  3. Step 3: Cross multiply
    637,288.46x = 879,477.90 × 346,919.36
  4. Step 4: Simplify right side
    637,288.46x = 305,107,910,202.14
  5. Step 5: Solve for x
    x = 305,107,910,202.14/637,288.46
  6. Step 6: Final answer
    x = 478,759.51

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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.