Home / 822,641.07-1,233,959.16-290,033.67

Finding the Fourth Proportional to 822,641.07, 1,233,959.16 and 290,033.67

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Solution

The fourth proportional to 822,641.07, 1,233,959.16 and 290,033.67 is: 435,049.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,641.07 : 1,233,959.16 = 290,033.67 : x
  2. Step 2: Convert to fraction form
    822,641.07/1,233,959.16 = 290,033.67/x
  3. Step 3: Cross multiply
    822,641.07x = 1,233,959.16 × 290,033.67
  4. Step 4: Simplify right side
    822,641.07x = 357,889,703,804.92
  5. Step 5: Solve for x
    x = 357,889,703,804.92/822,641.07
  6. Step 6: Final answer
    x = 435,049.64

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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.