Home / 907,381.18-1,361,278.32-276,344.20

Finding the Fourth Proportional to 907,381.18, 1,361,278.32 and 276,344.20

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Solution

The fourth proportional to 907,381.18, 1,361,278.32 and 276,344.20 is: 414,579.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,381.18 : 1,361,278.32 = 276,344.20 : x
  2. Step 2: Convert to fraction form
    907,381.18/1,361,278.32 = 276,344.20/x
  3. Step 3: Cross multiply
    907,381.18x = 1,361,278.32 × 276,344.20
  4. Step 4: Simplify right side
    907,381.18x = 376,181,368,317.74
  5. Step 5: Solve for x
    x = 376,181,368,317.74/907,381.18
  6. Step 6: Final answer
    x = 414,579.21

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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.