Home / 742,584.58-1,024,739.31-403,045.54

Finding the Fourth Proportional to 742,584.58, 1,024,739.31 and 403,045.54

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Solution

The fourth proportional to 742,584.58, 1,024,739.31 and 403,045.54 is: 556,187.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,584.58 : 1,024,739.31 = 403,045.54 : x
  2. Step 2: Convert to fraction form
    742,584.58/1,024,739.31 = 403,045.54/x
  3. Step 3: Cross multiply
    742,584.58x = 1,024,739.31 × 403,045.54
  4. Step 4: Simplify right side
    742,584.58x = 413,016,608,558.18
  5. Step 5: Solve for x
    x = 413,016,608,558.18/742,584.58
  6. Step 6: Final answer
    x = 556,187.97

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1.5x scale

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.