Home / 637,110.84-879,015.06-361,423.43

Finding the Fourth Proportional to 637,110.84, 879,015.06 and 361,423.43

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Solution

The fourth proportional to 637,110.84, 879,015.06 and 361,423.43 is: 498,652.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,110.84 : 879,015.06 = 361,423.43 : x
  2. Step 2: Convert to fraction form
    637,110.84/879,015.06 = 361,423.43/x
  3. Step 3: Cross multiply
    637,110.84x = 879,015.06 × 361,423.43
  4. Step 4: Simplify right side
    637,110.84x = 317,696,633,611.78
  5. Step 5: Solve for x
    x = 317,696,633,611.78/637,110.84
  6. Step 6: Final answer
    x = 498,652.06

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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.