Home / 907,522.80-1,361,478.12-276,486.96

Finding the Fourth Proportional to 907,522.80, 1,361,478.12 and 276,486.96

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Solution

The fourth proportional to 907,522.80, 1,361,478.12 and 276,486.96 is: 414,789.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,522.80 : 1,361,478.12 = 276,486.96 : x
  2. Step 2: Convert to fraction form
    907,522.80/1,361,478.12 = 276,486.96/x
  3. Step 3: Cross multiply
    907,522.80x = 1,361,478.12 × 276,486.96
  4. Step 4: Simplify right side
    907,522.80x = 376,430,946,505.32
  5. Step 5: Solve for x
    x = 376,430,946,505.32/907,522.80
  6. Step 6: Final answer
    x = 414,789.52

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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.