Home / 850,848.60-1,276,272.90-821,980.20

Finding the Fourth Proportional to 850,848.60, 1,276,272.90 and 821,980.20

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Solution

The fourth proportional to 850,848.60, 1,276,272.90 and 821,980.20 is: 1,232,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,848.60 : 1,276,272.90 = 821,980.20 : x
  2. Step 2: Convert to fraction form
    850,848.60/1,276,272.90 = 821,980.20/x
  3. Step 3: Cross multiply
    850,848.60x = 1,276,272.90 × 821,980.20
  4. Step 4: Simplify right side
    850,848.60x = 1,049,071,053,596.58
  5. Step 5: Solve for x
    x = 1,049,071,053,596.58/850,848.60
  6. Step 6: Final answer
    x = 1,232,970.30

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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.