Home / 887,891.51-1,224,990.46-505,647.65

Finding the Fourth Proportional to 887,891.51, 1,224,990.46 and 505,647.65

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Solution

The fourth proportional to 887,891.51, 1,224,990.46 and 505,647.65 is: 697,623.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,891.51 : 1,224,990.46 = 505,647.65 : x
  2. Step 2: Convert to fraction form
    887,891.51/1,224,990.46 = 505,647.65/x
  3. Step 3: Cross multiply
    887,891.51x = 1,224,990.46 × 505,647.65
  4. Step 4: Simplify right side
    887,891.51x = 619,413,544,843.18
  5. Step 5: Solve for x
    x = 619,413,544,843.18/887,891.51
  6. Step 6: Final answer
    x = 697,623.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.