Home / 715,963.05-1,075,912.92-669,150.27

Finding the Fourth Proportional to 715,963.05, 1,075,912.92 and 669,150.27

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Solution

The fourth proportional to 715,963.05, 1,075,912.92 and 669,150.27 is: 1,005,565.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,963.05 : 1,075,912.92 = 669,150.27 : x
  2. Step 2: Convert to fraction form
    715,963.05/1,075,912.92 = 669,150.27/x
  3. Step 3: Cross multiply
    715,963.05x = 1,075,912.92 × 669,150.27
  4. Step 4: Simplify right side
    715,963.05x = 719,947,420,914.49
  5. Step 5: Solve for x
    x = 719,947,420,914.49/715,963.05
  6. Step 6: Final answer
    x = 1,005,565.05

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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.