Home / 896,922.26-1,237,762.39-489,020.78

Finding the Fourth Proportional to 896,922.26, 1,237,762.39 and 489,020.78

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Solution

The fourth proportional to 896,922.26, 1,237,762.39 and 489,020.78 is: 674,853.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,922.26 : 1,237,762.39 = 489,020.78 : x
  2. Step 2: Convert to fraction form
    896,922.26/1,237,762.39 = 489,020.78/x
  3. Step 3: Cross multiply
    896,922.26x = 1,237,762.39 × 489,020.78
  4. Step 4: Simplify right side
    896,922.26x = 605,291,531,284.32
  5. Step 5: Solve for x
    x = 605,291,531,284.32/896,922.26
  6. Step 6: Final answer
    x = 674,853.96

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1.5x scale

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.