Home / 808,241.70-1,210,787.91-491,914.02

Finding the Fourth Proportional to 808,241.70, 1,210,787.91 and 491,914.02

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Solution

The fourth proportional to 808,241.70, 1,210,787.91 and 491,914.02 is: 736,912.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,241.70 : 1,210,787.91 = 491,914.02 : x
  2. Step 2: Convert to fraction form
    808,241.70/1,210,787.91 = 491,914.02/x
  3. Step 3: Cross multiply
    808,241.70x = 1,210,787.91 × 491,914.02
  4. Step 4: Simplify right side
    808,241.70x = 595,603,548,175.50
  5. Step 5: Solve for x
    x = 595,603,548,175.50/808,241.70
  6. Step 6: Final answer
    x = 736,912.67

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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.