Home / 850,848.10-1,276,272.15-821,979.70

Finding the Fourth Proportional to 850,848.10, 1,276,272.15 and 821,979.70

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Solution

The fourth proportional to 850,848.10, 1,276,272.15 and 821,979.70 is: 1,232,969.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,848.10 : 1,276,272.15 = 821,979.70 : x
  2. Step 2: Convert to fraction form
    850,848.10/1,276,272.15 = 821,979.70/x
  3. Step 3: Cross multiply
    850,848.10x = 1,276,272.15 × 821,979.70
  4. Step 4: Simplify right side
    850,848.10x = 1,049,069,798,975.35
  5. Step 5: Solve for x
    x = 1,049,069,798,975.35/850,848.10
  6. Step 6: Final answer
    x = 1,232,969.55

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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.