Home / 831,937.20-1,247,905.80-333,658.80

Finding the Fourth Proportional to 831,937.20, 1,247,905.80 and 333,658.80

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Solution

The fourth proportional to 831,937.20, 1,247,905.80 and 333,658.80 is: 500,488.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,937.20 : 1,247,905.80 = 333,658.80 : x
  2. Step 2: Convert to fraction form
    831,937.20/1,247,905.80 = 333,658.80/x
  3. Step 3: Cross multiply
    831,937.20x = 1,247,905.80 × 333,658.80
  4. Step 4: Simplify right side
    831,937.20x = 416,374,751,741.04
  5. Step 5: Solve for x
    x = 416,374,751,741.04/831,937.20
  6. Step 6: Final answer
    x = 500,488.20

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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.