Home / 779,975.33-1,076,740.13-493,634.21

Finding the Fourth Proportional to 779,975.33, 1,076,740.13 and 493,634.21

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Solution

The fourth proportional to 779,975.33, 1,076,740.13 and 493,634.21 is: 681,452.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,975.33 : 1,076,740.13 = 493,634.21 : x
  2. Step 2: Convert to fraction form
    779,975.33/1,076,740.13 = 493,634.21/x
  3. Step 3: Cross multiply
    779,975.33x = 1,076,740.13 × 493,634.21
  4. Step 4: Simplify right side
    779,975.33x = 531,515,763,447.85
  5. Step 5: Solve for x
    x = 531,515,763,447.85/779,975.33
  6. Step 6: Final answer
    x = 681,452.02

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Double scale
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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.