Home / 822,978.42-1,234,342.88-223,986.25

Finding the Fourth Proportional to 822,978.42, 1,234,342.88 and 223,986.25

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Solution

The fourth proportional to 822,978.42, 1,234,342.88 and 223,986.25 is: 335,945.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,978.42 : 1,234,342.88 = 223,986.25 : x
  2. Step 2: Convert to fraction form
    822,978.42/1,234,342.88 = 223,986.25/x
  3. Step 3: Cross multiply
    822,978.42x = 1,234,342.88 × 223,986.25
  4. Step 4: Simplify right side
    822,978.42x = 276,475,832,905.40
  5. Step 5: Solve for x
    x = 276,475,832,905.40/822,978.42
  6. Step 6: Final answer
    x = 335,945.42

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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.