Home / 770,113.73-1,154,161.80-369,958.34

Finding the Fourth Proportional to 770,113.73, 1,154,161.80 and 369,958.34

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Solution

The fourth proportional to 770,113.73, 1,154,161.80 and 369,958.34 is: 554,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,113.73 : 1,154,161.80 = 369,958.34 : x
  2. Step 2: Convert to fraction form
    770,113.73/1,154,161.80 = 369,958.34/x
  3. Step 3: Cross multiply
    770,113.73x = 1,154,161.80 × 369,958.34
  4. Step 4: Simplify right side
    770,113.73x = 426,991,783,619.41
  5. Step 5: Solve for x
    x = 426,991,783,619.41/770,113.73
  6. Step 6: Final answer
    x = 554,452.89

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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.