Home / 742,568.32-1,024,745.04-403,036.64

Finding the Fourth Proportional to 742,568.32, 1,024,745.04 and 403,036.64

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Solution

The fourth proportional to 742,568.32, 1,024,745.04 and 403,036.64 is: 556,190.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,568.32 : 1,024,745.04 = 403,036.64 : x
  2. Step 2: Convert to fraction form
    742,568.32/1,024,745.04 = 403,036.64/x
  3. Step 3: Cross multiply
    742,568.32x = 1,024,745.04 × 403,036.64
  4. Step 4: Simplify right side
    742,568.32x = 413,009,797,778.27
  5. Step 5: Solve for x
    x = 413,009,797,778.27/742,568.32
  6. Step 6: Final answer
    x = 556,190.97

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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.