Home / 945,465.63-1,418,210.73-314,379.42

Finding the Fourth Proportional to 945,465.63, 1,418,210.73 and 314,379.42

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Solution

The fourth proportional to 945,465.63, 1,418,210.73 and 314,379.42 is: 471,573.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,465.63 : 1,418,210.73 = 314,379.42 : x
  2. Step 2: Convert to fraction form
    945,465.63/1,418,210.73 = 314,379.42/x
  3. Step 3: Cross multiply
    945,465.63x = 1,418,210.73 × 314,379.42
  4. Step 4: Simplify right side
    945,465.63x = 445,856,265,163.28
  5. Step 5: Solve for x
    x = 445,856,265,163.28/945,465.63
  6. Step 6: Final answer
    x = 471,573.21

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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.