Home / 646,532.30-892,150.70-360,079.04

Finding the Fourth Proportional to 646,532.30, 892,150.70 and 360,079.04

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Solution

The fourth proportional to 646,532.30, 892,150.70 and 360,079.04 is: 496,873.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,532.30 : 892,150.70 = 360,079.04 : x
  2. Step 2: Convert to fraction form
    646,532.30/892,150.70 = 360,079.04/x
  3. Step 3: Cross multiply
    646,532.30x = 892,150.70 × 360,079.04
  4. Step 4: Simplify right side
    646,532.30x = 321,244,770,721.90
  5. Step 5: Solve for x
    x = 321,244,770,721.90/646,532.30
  6. Step 6: Final answer
    x = 496,873.50

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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.