Home / 646,568.45-892,292.15-360,088.55

Finding the Fourth Proportional to 646,568.45, 892,292.15 and 360,088.55

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Solution

The fourth proportional to 646,568.45, 892,292.15 and 360,088.55 is: 496,937.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,568.45 : 892,292.15 = 360,088.55 : x
  2. Step 2: Convert to fraction form
    646,568.45/892,292.15 = 360,088.55/x
  3. Step 3: Cross multiply
    646,568.45x = 892,292.15 × 360,088.55
  4. Step 4: Simplify right side
    646,568.45x = 321,304,186,469.88
  5. Step 5: Solve for x
    x = 321,304,186,469.88/646,568.45
  6. Step 6: Final answer
    x = 496,937.62

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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.