Home / 853,960.07-1,280,896.35-254,926.19

Finding the Fourth Proportional to 853,960.07, 1,280,896.35 and 254,926.19

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Solution

The fourth proportional to 853,960.07, 1,280,896.35 and 254,926.19 is: 382,376.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,960.07 : 1,280,896.35 = 254,926.19 : x
  2. Step 2: Convert to fraction form
    853,960.07/1,280,896.35 = 254,926.19/x
  3. Step 3: Cross multiply
    853,960.07x = 1,280,896.35 × 254,926.19
  4. Step 4: Simplify right side
    853,960.07x = 326,534,019,885.93
  5. Step 5: Solve for x
    x = 326,534,019,885.93/853,960.07
  6. Step 6: Final answer
    x = 382,376.22

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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.