Home / 840,947.22-1,261,587-308,473.20

Finding the Fourth Proportional to 840,947.22, 1,261,587 and 308,473.20

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Solution

The fourth proportional to 840,947.22, 1,261,587 and 308,473.20 is: 462,770.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,947.22 : 1,261,587 = 308,473.20 : x
  2. Step 2: Convert to fraction form
    840,947.22/1,261,587 = 308,473.20/x
  3. Step 3: Cross multiply
    840,947.22x = 1,261,587 × 308,473.20
  4. Step 4: Simplify right side
    840,947.22x = 389,165,778,968.40
  5. Step 5: Solve for x
    x = 389,165,778,968.40/840,947.22
  6. Step 6: Final answer
    x = 462,770.75

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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.