Home / 643,035.75-963,779.94-237,904.92

Finding the Fourth Proportional to 643,035.75, 963,779.94 and 237,904.92

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Solution

The fourth proportional to 643,035.75, 963,779.94 and 237,904.92 is: 356,571.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,035.75 : 963,779.94 = 237,904.92 : x
  2. Step 2: Convert to fraction form
    643,035.75/963,779.94 = 237,904.92/x
  3. Step 3: Cross multiply
    643,035.75x = 963,779.94 × 237,904.92
  4. Step 4: Simplify right side
    643,035.75x = 229,287,989,523.31
  5. Step 5: Solve for x
    x = 229,287,989,523.31/643,035.75
  6. Step 6: Final answer
    x = 356,571.14

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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.