Home / 672,291.60-1,008,413.10-272,921.10

Finding the Fourth Proportional to 672,291.60, 1,008,413.10 and 272,921.10

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Solution

The fourth proportional to 672,291.60, 1,008,413.10 and 272,921.10 is: 409,371.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,291.60 : 1,008,413.10 = 272,921.10 : x
  2. Step 2: Convert to fraction form
    672,291.60/1,008,413.10 = 272,921.10/x
  3. Step 3: Cross multiply
    672,291.60x = 1,008,413.10 × 272,921.10
  4. Step 4: Simplify right side
    672,291.60x = 275,217,212,506.41
  5. Step 5: Solve for x
    x = 275,217,212,506.41/672,291.60
  6. Step 6: Final answer
    x = 409,371.79

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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.