Home / 690,340.34-1,035,557.39-234,745.98

Finding the Fourth Proportional to 690,340.34, 1,035,557.39 and 234,745.98

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Solution

The fourth proportional to 690,340.34, 1,035,557.39 and 234,745.98 is: 352,134.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,340.34 : 1,035,557.39 = 234,745.98 : x
  2. Step 2: Convert to fraction form
    690,340.34/1,035,557.39 = 234,745.98/x
  3. Step 3: Cross multiply
    690,340.34x = 1,035,557.39 × 234,745.98
  4. Step 4: Simplify right side
    690,340.34x = 243,092,934,361.79
  5. Step 5: Solve for x
    x = 243,092,934,361.79/690,340.34
  6. Step 6: Final answer
    x = 352,134.91

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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.