Home / 646,589.12-892,214.52-370,932.68

Finding the Fourth Proportional to 646,589.12, 892,214.52 and 370,932.68

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Solution

The fourth proportional to 646,589.12, 892,214.52 and 370,932.68 is: 511,842.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,589.12 : 892,214.52 = 370,932.68 : x
  2. Step 2: Convert to fraction form
    646,589.12/892,214.52 = 370,932.68/x
  3. Step 3: Cross multiply
    646,589.12x = 892,214.52 × 370,932.68
  4. Step 4: Simplify right side
    646,589.12x = 330,951,523,038.51
  5. Step 5: Solve for x
    x = 330,951,523,038.51/646,589.12
  6. Step 6: Final answer
    x = 511,842.08

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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.