Home / 690,671.48-1,035,734.94-335,580.44

Finding the Fourth Proportional to 690,671.48, 1,035,734.94 and 335,580.44

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Solution

The fourth proportional to 690,671.48, 1,035,734.94 and 335,580.44 is: 503,238.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,671.48 : 1,035,734.94 = 335,580.44 : x
  2. Step 2: Convert to fraction form
    690,671.48/1,035,734.94 = 335,580.44/x
  3. Step 3: Cross multiply
    690,671.48x = 1,035,734.94 × 335,580.44
  4. Step 4: Simplify right side
    690,671.48x = 347,572,386,888.57
  5. Step 5: Solve for x
    x = 347,572,386,888.57/690,671.48
  6. Step 6: Final answer
    x = 503,238.37

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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.