Home / 646,725.20-892,496.36-360,249.84

Finding the Fourth Proportional to 646,725.20, 892,496.36 and 360,249.84

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Solution

The fourth proportional to 646,725.20, 892,496.36 and 360,249.84 is: 497,153.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,725.20 : 892,496.36 = 360,249.84 : x
  2. Step 2: Convert to fraction form
    646,725.20/892,496.36 = 360,249.84/x
  3. Step 3: Cross multiply
    646,725.20x = 892,496.36 × 360,249.84
  4. Step 4: Simplify right side
    646,725.20x = 321,521,670,890.58
  5. Step 5: Solve for x
    x = 321,521,670,890.58/646,725.20
  6. Step 6: Final answer
    x = 497,153.46

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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.