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Finding the Fourth Proportional to 435,709.51, 654,123.98 and 335,933.08

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Solution

The fourth proportional to 435,709.51, 654,123.98 and 335,933.08 is: 504,331.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,709.51 : 654,123.98 = 335,933.08 : x
  2. Step 2: Convert to fraction form
    435,709.51/654,123.98 = 335,933.08/x
  3. Step 3: Cross multiply
    435,709.51x = 654,123.98 × 335,933.08
  4. Step 4: Simplify right side
    435,709.51x = 219,741,883,303.26
  5. Step 5: Solve for x
    x = 219,741,883,303.26/435,709.51
  6. Step 6: Final answer
    x = 504,331.16

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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.