Home / 876,093.40-1,314,140.10-343,631.80

Finding the Fourth Proportional to 876,093.40, 1,314,140.10 and 343,631.80

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Solution

The fourth proportional to 876,093.40, 1,314,140.10 and 343,631.80 is: 515,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,093.40 : 1,314,140.10 = 343,631.80 : x
  2. Step 2: Convert to fraction form
    876,093.40/1,314,140.10 = 343,631.80/x
  3. Step 3: Cross multiply
    876,093.40x = 1,314,140.10 × 343,631.80
  4. Step 4: Simplify right side
    876,093.40x = 451,580,328,015.18
  5. Step 5: Solve for x
    x = 451,580,328,015.18/876,093.40
  6. Step 6: Final answer
    x = 515,447.70

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1.5x scale

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.