Home / 654,318.15-981,477.36-205,038.93

Finding the Fourth Proportional to 654,318.15, 981,477.36 and 205,038.93

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Solution

The fourth proportional to 654,318.15, 981,477.36 and 205,038.93 is: 307,558.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,318.15 : 981,477.36 = 205,038.93 : x
  2. Step 2: Convert to fraction form
    654,318.15/981,477.36 = 205,038.93/x
  3. Step 3: Cross multiply
    654,318.15x = 981,477.36 × 205,038.93
  4. Step 4: Simplify right side
    654,318.15x = 201,241,067,713.63
  5. Step 5: Solve for x
    x = 201,241,067,713.63/654,318.15
  6. Step 6: Final answer
    x = 307,558.44

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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.