Home / 807,421.45-1,211,091.91-301,945.26

Finding the Fourth Proportional to 807,421.45, 1,211,091.91 and 301,945.26

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Solution

The fourth proportional to 807,421.45, 1,211,091.91 and 301,945.26 is: 452,902.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,421.45 : 1,211,091.91 = 301,945.26 : x
  2. Step 2: Convert to fraction form
    807,421.45/1,211,091.91 = 301,945.26/x
  3. Step 3: Cross multiply
    807,421.45x = 1,211,091.91 × 301,945.26
  4. Step 4: Simplify right side
    807,421.45x = 365,683,466,567.87
  5. Step 5: Solve for x
    x = 365,683,466,567.87/807,421.45
  6. Step 6: Final answer
    x = 452,902.84

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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.