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Finding the Fourth Proportional to 646,627.01, 892,311.41 and 360,141.89

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Solution

The fourth proportional to 646,627.01, 892,311.41 and 360,141.89 is: 496,976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,627.01 : 892,311.41 = 360,141.89 : x
  2. Step 2: Convert to fraction form
    646,627.01/892,311.41 = 360,141.89/x
  3. Step 3: Cross multiply
    646,627.01x = 892,311.41 × 360,141.89
  4. Step 4: Simplify right side
    646,627.01x = 321,358,715,865.26
  5. Step 5: Solve for x
    x = 321,358,715,865.26/646,627.01
  6. Step 6: Final answer
    x = 496,976.94

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1.5x scale

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.