Home / 672,364.60-1,008,620.72-335,490.05

Finding the Fourth Proportional to 672,364.60, 1,008,620.72 and 335,490.05

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Solution

The fourth proportional to 672,364.60, 1,008,620.72 and 335,490.05 is: 503,271.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,364.60 : 1,008,620.72 = 335,490.05 : x
  2. Step 2: Convert to fraction form
    672,364.60/1,008,620.72 = 335,490.05/x
  3. Step 3: Cross multiply
    672,364.60x = 1,008,620.72 × 335,490.05
  4. Step 4: Simplify right side
    672,364.60x = 338,382,215,783.84
  5. Step 5: Solve for x
    x = 338,382,215,783.84/672,364.60
  6. Step 6: Final answer
    x = 503,271.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.