Home / 770,786.19-1,156,289.55-238,348.28

Finding the Fourth Proportional to 770,786.19, 1,156,289.55 and 238,348.28

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Solution

The fourth proportional to 770,786.19, 1,156,289.55 and 238,348.28 is: 357,556.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,786.19 : 1,156,289.55 = 238,348.28 : x
  2. Step 2: Convert to fraction form
    770,786.19/1,156,289.55 = 238,348.28/x
  3. Step 3: Cross multiply
    770,786.19x = 1,156,289.55 × 238,348.28
  4. Step 4: Simplify right side
    770,786.19x = 275,599,625,424.47
  5. Step 5: Solve for x
    x = 275,599,625,424.47/770,786.19
  6. Step 6: Final answer
    x = 357,556.52

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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.