Home / 646,801.12-892,586.04-360,321.92

Finding the Fourth Proportional to 646,801.12, 892,586.04 and 360,321.92

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Solution

The fourth proportional to 646,801.12, 892,586.04 and 360,321.92 is: 497,244.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,801.12 : 892,586.04 = 360,321.92 : x
  2. Step 2: Convert to fraction form
    646,801.12/892,586.04 = 360,321.92/x
  3. Step 3: Cross multiply
    646,801.12x = 892,586.04 × 360,321.92
  4. Step 4: Simplify right side
    646,801.12x = 321,618,315,698.00
  5. Step 5: Solve for x
    x = 321,618,315,698.00/646,801.12
  6. Step 6: Final answer
    x = 497,244.53

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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.