Home / 646,581.12-892,203.48-370,924.68

Finding the Fourth Proportional to 646,581.12, 892,203.48 and 370,924.68

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Solution

The fourth proportional to 646,581.12, 892,203.48 and 370,924.68 is: 511,831.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,581.12 : 892,203.48 = 370,924.68 : x
  2. Step 2: Convert to fraction form
    646,581.12/892,203.48 = 370,924.68/x
  3. Step 3: Cross multiply
    646,581.12x = 892,203.48 × 370,924.68
  4. Step 4: Simplify right side
    646,581.12x = 330,940,290,313.89
  5. Step 5: Solve for x
    x = 330,940,290,313.89/646,581.12
  6. Step 6: Final answer
    x = 511,831.04

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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.