Home / 676,636.74-1,014,561.54-255,945.42

Finding the Fourth Proportional to 676,636.74, 1,014,561.54 and 255,945.42

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Solution

The fourth proportional to 676,636.74, 1,014,561.54 and 255,945.42 is: 383,769.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,636.74 : 1,014,561.54 = 255,945.42 : x
  2. Step 2: Convert to fraction form
    676,636.74/1,014,561.54 = 255,945.42/x
  3. Step 3: Cross multiply
    676,636.74x = 1,014,561.54 × 255,945.42
  4. Step 4: Simplify right side
    676,636.74x = 259,672,379,471.15
  5. Step 5: Solve for x
    x = 259,672,379,471.15/676,636.74
  6. Step 6: Final answer
    x = 383,769.26

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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.