Home / 917,361.06-1,376,056.17-348,750.78

Finding the Fourth Proportional to 917,361.06, 1,376,056.17 and 348,750.78

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Solution

The fourth proportional to 917,361.06, 1,376,056.17 and 348,750.78 is: 523,131.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,361.06 : 1,376,056.17 = 348,750.78 : x
  2. Step 2: Convert to fraction form
    917,361.06/1,376,056.17 = 348,750.78/x
  3. Step 3: Cross multiply
    917,361.06x = 1,376,056.17 × 348,750.78
  4. Step 4: Simplify right side
    917,361.06x = 479,900,662,611.31
  5. Step 5: Solve for x
    x = 479,900,662,611.31/917,361.06
  6. Step 6: Final answer
    x = 523,131.71

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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.