Home / 822,064.70-1,233,069.25-289,571.81

Finding the Fourth Proportional to 822,064.70, 1,233,069.25 and 289,571.81

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Solution

The fourth proportional to 822,064.70, 1,233,069.25 and 289,571.81 is: 434,347.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,064.70 : 1,233,069.25 = 289,571.81 : x
  2. Step 2: Convert to fraction form
    822,064.70/1,233,069.25 = 289,571.81/x
  3. Step 3: Cross multiply
    822,064.70x = 1,233,069.25 × 289,571.81
  4. Step 4: Simplify right side
    822,064.70x = 357,062,095,981.95
  5. Step 5: Solve for x
    x = 357,062,095,981.95/822,064.70
  6. Step 6: Final answer
    x = 434,347.93

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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.