Home / 668,448.99-1,002,602.39-188,664.93

Finding the Fourth Proportional to 668,448.99, 1,002,602.39 and 188,664.93

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Solution

The fourth proportional to 668,448.99, 1,002,602.39 and 188,664.93 is: 282,977.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,448.99 : 1,002,602.39 = 188,664.93 : x
  2. Step 2: Convert to fraction form
    668,448.99/1,002,602.39 = 188,664.93/x
  3. Step 3: Cross multiply
    668,448.99x = 1,002,602.39 × 188,664.93
  4. Step 4: Simplify right side
    668,448.99x = 189,155,908,783.86
  5. Step 5: Solve for x
    x = 189,155,908,783.86/668,448.99
  6. Step 6: Final answer
    x = 282,977.33

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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.