Home / 740,898.58-1,022,438.55-401,367.64

Finding the Fourth Proportional to 740,898.58, 1,022,438.55 and 401,367.64

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Solution

The fourth proportional to 740,898.58, 1,022,438.55 and 401,367.64 is: 553,886.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,898.58 : 1,022,438.55 = 401,367.64 : x
  2. Step 2: Convert to fraction form
    740,898.58/1,022,438.55 = 401,367.64/x
  3. Step 3: Cross multiply
    740,898.58x = 1,022,438.55 × 401,367.64
  4. Step 4: Simplify right side
    740,898.58x = 410,373,747,858.52
  5. Step 5: Solve for x
    x = 410,373,747,858.52/740,898.58
  6. Step 6: Final answer
    x = 553,886.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.