Home / 945,083.70-1,417,900.14-305,374.05

Finding the Fourth Proportional to 945,083.70, 1,417,900.14 and 305,374.05

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Solution

The fourth proportional to 945,083.70, 1,417,900.14 and 305,374.05 is: 458,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,083.70 : 1,417,900.14 = 305,374.05 : x
  2. Step 2: Convert to fraction form
    945,083.70/1,417,900.14 = 305,374.05/x
  3. Step 3: Cross multiply
    945,083.70x = 1,417,900.14 × 305,374.05
  4. Step 4: Simplify right side
    945,083.70x = 432,989,908,247.37
  5. Step 5: Solve for x
    x = 432,989,908,247.37/945,083.70
  6. Step 6: Final answer
    x = 458,149.80

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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.