Home / 807,421.95-1,211,092.66-301,945.77

Finding the Fourth Proportional to 807,421.95, 1,211,092.66 and 301,945.77

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Solution

The fourth proportional to 807,421.95, 1,211,092.66 and 301,945.77 is: 452,903.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,421.95 : 1,211,092.66 = 301,945.77 : x
  2. Step 2: Convert to fraction form
    807,421.95/1,211,092.66 = 301,945.77/x
  3. Step 3: Cross multiply
    807,421.95x = 1,211,092.66 × 301,945.77
  4. Step 4: Simplify right side
    807,421.95x = 365,684,299,709.59
  5. Step 5: Solve for x
    x = 365,684,299,709.59/807,421.95
  6. Step 6: Final answer
    x = 452,903.59

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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.