Home / 850,619.80-1,275,929.70-735,146.20

Finding the Fourth Proportional to 850,619.80, 1,275,929.70 and 735,146.20

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Solution

The fourth proportional to 850,619.80, 1,275,929.70 and 735,146.20 is: 1,102,719.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,619.80 : 1,275,929.70 = 735,146.20 : x
  2. Step 2: Convert to fraction form
    850,619.80/1,275,929.70 = 735,146.20/x
  3. Step 3: Cross multiply
    850,619.80x = 1,275,929.70 × 735,146.20
  4. Step 4: Simplify right side
    850,619.80x = 937,994,870,422.14
  5. Step 5: Solve for x
    x = 937,994,870,422.14/850,619.80
  6. Step 6: Final answer
    x = 1,102,719.30

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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.