Home / 672,362.60-1,008,617.72-335,488.05

Finding the Fourth Proportional to 672,362.60, 1,008,617.72 and 335,488.05

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Solution

The fourth proportional to 672,362.60, 1,008,617.72 and 335,488.05 is: 503,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,362.60 : 1,008,617.72 = 335,488.05 : x
  2. Step 2: Convert to fraction form
    672,362.60/1,008,617.72 = 335,488.05/x
  3. Step 3: Cross multiply
    672,362.60x = 1,008,617.72 × 335,488.05
  4. Step 4: Simplify right side
    672,362.60x = 338,379,190,400.81
  5. Step 5: Solve for x
    x = 338,379,190,400.81/672,362.60
  6. Step 6: Final answer
    x = 503,268.91

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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.