Home / 672,730.43-928,364.23-370,924.43

Finding the Fourth Proportional to 672,730.43, 928,364.23 and 370,924.43

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Solution

The fourth proportional to 672,730.43, 928,364.23 and 370,924.43 is: 511,873.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,730.43 : 928,364.23 = 370,924.43 : x
  2. Step 2: Convert to fraction form
    672,730.43/928,364.23 = 370,924.43/x
  3. Step 3: Cross multiply
    672,730.43x = 928,364.23 × 370,924.43
  4. Step 4: Simplify right side
    672,730.43x = 344,352,972,845.14
  5. Step 5: Solve for x
    x = 344,352,972,845.14/672,730.43
  6. Step 6: Final answer
    x = 511,873.64

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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.