Home / 625,639.04-863,360.88-370,838.96

Finding the Fourth Proportional to 625,639.04, 863,360.88 and 370,838.96

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Solution

The fourth proportional to 625,639.04, 863,360.88 and 370,838.96 is: 511,745.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,639.04 : 863,360.88 = 370,838.96 : x
  2. Step 2: Convert to fraction form
    625,639.04/863,360.88 = 370,838.96/x
  3. Step 3: Cross multiply
    625,639.04x = 863,360.88 × 370,838.96
  4. Step 4: Simplify right side
    625,639.04x = 320,167,850,843.89
  5. Step 5: Solve for x
    x = 320,167,850,843.89/625,639.04
  6. Step 6: Final answer
    x = 511,745.32

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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.