Home / 610,738.32-842,821.02-338,811.60

Finding the Fourth Proportional to 610,738.32, 842,821.02 and 338,811.60

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Solution

The fourth proportional to 610,738.32, 842,821.02 and 338,811.60 is: 467,561.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,738.32 : 842,821.02 = 338,811.60 : x
  2. Step 2: Convert to fraction form
    610,738.32/842,821.02 = 338,811.60/x
  3. Step 3: Cross multiply
    610,738.32x = 842,821.02 × 338,811.60
  4. Step 4: Simplify right side
    610,738.32x = 285,557,538,299.83
  5. Step 5: Solve for x
    x = 285,557,538,299.83/610,738.32
  6. Step 6: Final answer
    x = 467,561.19

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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.