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Finding the Fourth Proportional to 500,529.66, 690,744.96 and 304,295.82

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Solution

The fourth proportional to 500,529.66, 690,744.96 and 304,295.82 is: 419,936.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,529.66 : 690,744.96 = 304,295.82 : x
  2. Step 2: Convert to fraction form
    500,529.66/690,744.96 = 304,295.82/x
  3. Step 3: Cross multiply
    500,529.66x = 690,744.96 × 304,295.82
  4. Step 4: Simplify right side
    500,529.66x = 210,190,804,014.07
  5. Step 5: Solve for x
    x = 210,190,804,014.07/500,529.66
  6. Step 6: Final answer
    x = 419,936.76

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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.