Home / 938,607.21-1,408,329.38-432,896.25

Finding the Fourth Proportional to 938,607.21, 1,408,329.38 and 432,896.25

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Solution

The fourth proportional to 938,607.21, 1,408,329.38 and 432,896.25 is: 649,537.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,607.21 : 1,408,329.38 = 432,896.25 : x
  2. Step 2: Convert to fraction form
    938,607.21/1,408,329.38 = 432,896.25/x
  3. Step 3: Cross multiply
    938,607.21x = 1,408,329.38 × 432,896.25
  4. Step 4: Simplify right side
    938,607.21x = 609,660,505,202.34
  5. Step 5: Solve for x
    x = 609,660,505,202.34/938,607.21
  6. Step 6: Final answer
    x = 649,537.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.