Home / 646,904.52-892,717.62-352,558.32

Finding the Fourth Proportional to 646,904.52, 892,717.62 and 352,558.32

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Solution

The fourth proportional to 646,904.52, 892,717.62 and 352,558.32 is: 486,524.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,904.52 : 892,717.62 = 352,558.32 : x
  2. Step 2: Convert to fraction form
    646,904.52/892,717.62 = 352,558.32/x
  3. Step 3: Cross multiply
    646,904.52x = 892,717.62 × 352,558.32
  4. Step 4: Simplify right side
    646,904.52x = 314,735,024,341.60
  5. Step 5: Solve for x
    x = 314,735,024,341.60/646,904.52
  6. Step 6: Final answer
    x = 486,524.70

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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.