Home / 893,356.20-1,340,207.10-262,290.60

Finding the Fourth Proportional to 893,356.20, 1,340,207.10 and 262,290.60

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Solution

The fourth proportional to 893,356.20, 1,340,207.10 and 262,290.60 is: 393,486.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,356.20 : 1,340,207.10 = 262,290.60 : x
  2. Step 2: Convert to fraction form
    893,356.20/1,340,207.10 = 262,290.60/x
  3. Step 3: Cross multiply
    893,356.20x = 1,340,207.10 × 262,290.60
  4. Step 4: Simplify right side
    893,356.20x = 351,523,724,383.26
  5. Step 5: Solve for x
    x = 351,523,724,383.26/893,356.20
  6. Step 6: Final answer
    x = 393,486.63

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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.