Home / 770,881.15-1,156,469.40-238,308.38

Finding the Fourth Proportional to 770,881.15, 1,156,469.40 and 238,308.38

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Solution

The fourth proportional to 770,881.15, 1,156,469.40 and 238,308.38 is: 357,508.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,881.15 : 1,156,469.40 = 238,308.38 : x
  2. Step 2: Convert to fraction form
    770,881.15/1,156,469.40 = 238,308.38/x
  3. Step 3: Cross multiply
    770,881.15x = 1,156,469.40 × 238,308.38
  4. Step 4: Simplify right side
    770,881.15x = 275,596,347,787.99
  5. Step 5: Solve for x
    x = 275,596,347,787.99/770,881.15
  6. Step 6: Final answer
    x = 357,508.22

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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.