Home / 853,747.36-1,280,693.76-254,669.92

Finding the Fourth Proportional to 853,747.36, 1,280,693.76 and 254,669.92

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Solution

The fourth proportional to 853,747.36, 1,280,693.76 and 254,669.92 is: 382,026.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,747.36 : 1,280,693.76 = 254,669.92 : x
  2. Step 2: Convert to fraction form
    853,747.36/1,280,693.76 = 254,669.92/x
  3. Step 3: Cross multiply
    853,747.36x = 1,280,693.76 × 254,669.92
  4. Step 4: Simplify right side
    853,747.36x = 326,154,177,403.70
  5. Step 5: Solve for x
    x = 326,154,177,403.70/853,747.36
  6. Step 6: Final answer
    x = 382,026.57

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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.