Home / 646,733.69-892,493.33-352,381.85

Finding the Fourth Proportional to 646,733.69, 892,493.33 and 352,381.85

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Solution

The fourth proportional to 646,733.69, 892,493.33 and 352,381.85 is: 486,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,733.69 : 892,493.33 = 352,381.85 : x
  2. Step 2: Convert to fraction form
    646,733.69/892,493.33 = 352,381.85/x
  3. Step 3: Cross multiply
    646,733.69x = 892,493.33 × 352,381.85
  4. Step 4: Simplify right side
    646,733.69x = 314,498,444,513.69
  5. Step 5: Solve for x
    x = 314,498,444,513.69/646,733.69
  6. Step 6: Final answer
    x = 486,287.40

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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.