Home / 742,322.44-1,024,137.57-420,029.11

Finding the Fourth Proportional to 742,322.44, 1,024,137.57 and 420,029.11

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Solution

The fourth proportional to 742,322.44, 1,024,137.57 and 420,029.11 is: 579,488.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,322.44 : 1,024,137.57 = 420,029.11 : x
  2. Step 2: Convert to fraction form
    742,322.44/1,024,137.57 = 420,029.11/x
  3. Step 3: Cross multiply
    742,322.44x = 1,024,137.57 × 420,029.11
  4. Step 4: Simplify right side
    742,322.44x = 430,167,592,044.66
  5. Step 5: Solve for x
    x = 430,167,592,044.66/742,322.44
  6. Step 6: Final answer
    x = 579,488.87

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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.