Home / 646,764.35-892,561.71-360,284.36

Finding the Fourth Proportional to 646,764.35, 892,561.71 and 360,284.36

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Solution

The fourth proportional to 646,764.35, 892,561.71 and 360,284.36 is: 497,207.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,764.35 : 892,561.71 = 360,284.36 : x
  2. Step 2: Convert to fraction form
    646,764.35/892,561.71 = 360,284.36/x
  3. Step 3: Cross multiply
    646,764.35x = 892,561.71 × 360,284.36
  4. Step 4: Simplify right side
    646,764.35x = 321,576,024,447.86
  5. Step 5: Solve for x
    x = 321,576,024,447.86/646,764.35
  6. Step 6: Final answer
    x = 497,207.41

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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.