Home / 715,818.51-1,073,671.93-416,107.92

Finding the Fourth Proportional to 715,818.51, 1,073,671.93 and 416,107.92

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Solution

The fourth proportional to 715,818.51, 1,073,671.93 and 416,107.92 is: 624,129.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,818.51 : 1,073,671.93 = 416,107.92 : x
  2. Step 2: Convert to fraction form
    715,818.51/1,073,671.93 = 416,107.92/x
  3. Step 3: Cross multiply
    715,818.51x = 1,073,671.93 × 416,107.92
  4. Step 4: Simplify right side
    715,818.51x = 446,763,391,474.15
  5. Step 5: Solve for x
    x = 446,763,391,474.15/715,818.51
  6. Step 6: Final answer
    x = 624,129.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.