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Finding the Fourth Proportional to 672,653.03, 928,260.68 and 366,729.39

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Solution

The fourth proportional to 672,653.03, 928,260.68 and 366,729.39 is: 506,086.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,653.03 : 928,260.68 = 366,729.39 : x
  2. Step 2: Convert to fraction form
    672,653.03/928,260.68 = 366,729.39/x
  3. Step 3: Cross multiply
    672,653.03x = 928,260.68 × 366,729.39
  4. Step 4: Simplify right side
    672,653.03x = 340,420,471,103.74
  5. Step 5: Solve for x
    x = 340,420,471,103.74/672,653.03
  6. Step 6: Final answer
    x = 506,086.29

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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.