Home / 404,821.41-607,126.11-120,435.36

Finding the Fourth Proportional to 404,821.41, 607,126.11 and 120,435.36

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Solution

The fourth proportional to 404,821.41, 607,126.11 and 120,435.36 is: 180,621.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,821.41 : 607,126.11 = 120,435.36 : x
  2. Step 2: Convert to fraction form
    404,821.41/607,126.11 = 120,435.36/x
  3. Step 3: Cross multiply
    404,821.41x = 607,126.11 × 120,435.36
  4. Step 4: Simplify right side
    404,821.41x = 73,119,451,623.25
  5. Step 5: Solve for x
    x = 73,119,451,623.25/404,821.41
  6. Step 6: Final answer
    x = 180,621.50

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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.