Home / 963,147.87-1,444,735.93-457,760.42

Finding the Fourth Proportional to 963,147.87, 1,444,735.93 and 457,760.42

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Solution

The fourth proportional to 963,147.87, 1,444,735.93 and 457,760.42 is: 686,647.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,147.87 : 1,444,735.93 = 457,760.42 : x
  2. Step 2: Convert to fraction form
    963,147.87/1,444,735.93 = 457,760.42/x
  3. Step 3: Cross multiply
    963,147.87x = 1,444,735.93 × 457,760.42
  4. Step 4: Simplify right side
    963,147.87x = 661,342,917,737.81
  5. Step 5: Solve for x
    x = 661,342,917,737.81/963,147.87
  6. Step 6: Final answer
    x = 686,647.33

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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.