Home / 993,469.80-1,489,362.30-362,015.40

Finding the Fourth Proportional to 993,469.80, 1,489,362.30 and 362,015.40

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Solution

The fourth proportional to 993,469.80, 1,489,362.30 and 362,015.40 is: 542,716.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,469.80 : 1,489,362.30 = 362,015.40 : x
  2. Step 2: Convert to fraction form
    993,469.80/1,489,362.30 = 362,015.40/x
  3. Step 3: Cross multiply
    993,469.80x = 1,489,362.30 × 362,015.40
  4. Step 4: Simplify right side
    993,469.80x = 539,172,088,779.42
  5. Step 5: Solve for x
    x = 539,172,088,779.42/993,469.80
  6. Step 6: Final answer
    x = 542,716.13

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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.