Home / 840,880.58-1,260,570.72-308,277.26

Finding the Fourth Proportional to 840,880.58, 1,260,570.72 and 308,277.26

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Solution

The fourth proportional to 840,880.58, 1,260,570.72 and 308,277.26 is: 462,140.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,880.58 : 1,260,570.72 = 308,277.26 : x
  2. Step 2: Convert to fraction form
    840,880.58/1,260,570.72 = 308,277.26/x
  3. Step 3: Cross multiply
    840,880.58x = 1,260,570.72 × 308,277.26
  4. Step 4: Simplify right side
    840,880.58x = 388,605,287,597.83
  5. Step 5: Solve for x
    x = 388,605,287,597.83/840,880.58
  6. Step 6: Final answer
    x = 462,140.88

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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.