Home / 876,310.80-1,308,127.02-770,022.60

Finding the Fourth Proportional to 876,310.80, 1,308,127.02 and 770,022.60

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Solution

The fourth proportional to 876,310.80, 1,308,127.02 and 770,022.60 is: 1,149,463.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,310.80 : 1,308,127.02 = 770,022.60 : x
  2. Step 2: Convert to fraction form
    876,310.80/1,308,127.02 = 770,022.60/x
  3. Step 3: Cross multiply
    876,310.80x = 1,308,127.02 × 770,022.60
  4. Step 4: Simplify right side
    876,310.80x = 1,007,287,369,070.65
  5. Step 5: Solve for x
    x = 1,007,287,369,070.65/876,310.80
  6. Step 6: Final answer
    x = 1,149,463.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.