Home / 742,544.36-1,024,467.30-420,222.44

Finding the Fourth Proportional to 742,544.36, 1,024,467.30 and 420,222.44

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Solution

The fourth proportional to 742,544.36, 1,024,467.30 and 420,222.44 is: 579,768.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,544.36 : 1,024,467.30 = 420,222.44 : x
  2. Step 2: Convert to fraction form
    742,544.36/1,024,467.30 = 420,222.44/x
  3. Step 3: Cross multiply
    742,544.36x = 1,024,467.30 × 420,222.44
  4. Step 4: Simplify right side
    742,544.36x = 430,504,148,506.21
  5. Step 5: Solve for x
    x = 430,504,148,506.21/742,544.36
  6. Step 6: Final answer
    x = 579,768.93

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Double scale
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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.