Home / 807,904.55-1,211,887.47-302,412.30

Finding the Fourth Proportional to 807,904.55, 1,211,887.47 and 302,412.30

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Solution

The fourth proportional to 807,904.55, 1,211,887.47 and 302,412.30 is: 453,629.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,904.55 : 1,211,887.47 = 302,412.30 : x
  2. Step 2: Convert to fraction form
    807,904.55/1,211,887.47 = 302,412.30/x
  3. Step 3: Cross multiply
    807,904.55x = 1,211,887.47 × 302,412.30
  4. Step 4: Simplify right side
    807,904.55x = 366,489,677,143.88
  5. Step 5: Solve for x
    x = 366,489,677,143.88/807,904.55
  6. Step 6: Final answer
    x = 453,629.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.