Home / 993,439.05-1,490,380.81-362,352.87

Finding the Fourth Proportional to 993,439.05, 1,490,380.81 and 362,352.87

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Solution

The fourth proportional to 993,439.05, 1,490,380.81 and 362,352.87 is: 543,610.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,439.05 : 1,490,380.81 = 362,352.87 : x
  2. Step 2: Convert to fraction form
    993,439.05/1,490,380.81 = 362,352.87/x
  3. Step 3: Cross multiply
    993,439.05x = 1,490,380.81 × 362,352.87
  4. Step 4: Simplify right side
    993,439.05x = 540,043,760,837.08
  5. Step 5: Solve for x
    x = 540,043,760,837.08/993,439.05
  6. Step 6: Final answer
    x = 543,610.36

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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.