Home / 879,285.79-1,318,887.51-366,739.21

Finding the Fourth Proportional to 879,285.79, 1,318,887.51 and 366,739.21

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Solution

The fourth proportional to 879,285.79, 1,318,887.51 and 366,739.21 is: 550,091.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,285.79 : 1,318,887.51 = 366,739.21 : x
  2. Step 2: Convert to fraction form
    879,285.79/1,318,887.51 = 366,739.21/x
  3. Step 3: Cross multiply
    879,285.79x = 1,318,887.51 × 366,739.21
  4. Step 4: Simplify right side
    879,285.79x = 483,687,763,496.27
  5. Step 5: Solve for x
    x = 483,687,763,496.27/879,285.79
  6. Step 6: Final answer
    x = 550,091.64

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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.