Home / 993,464.28-1,490,418.56-362,378.09

Finding the Fourth Proportional to 993,464.28, 1,490,418.56 and 362,378.09

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Solution

The fourth proportional to 993,464.28, 1,490,418.56 and 362,378.09 is: 543,648.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,464.28 : 1,490,418.56 = 362,378.09 : x
  2. Step 2: Convert to fraction form
    993,464.28/1,490,418.56 = 362,378.09/x
  3. Step 3: Cross multiply
    993,464.28x = 1,490,418.56 × 362,378.09
  4. Step 4: Simplify right side
    993,464.28x = 540,095,035,705.34
  5. Step 5: Solve for x
    x = 540,095,035,705.34/993,464.28
  6. Step 6: Final answer
    x = 543,648.17

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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.