Home / 959,064.55-1,438,833.60-285,142.93

Finding the Fourth Proportional to 959,064.55, 1,438,833.60 and 285,142.93

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Solution

The fourth proportional to 959,064.55, 1,438,833.60 and 285,142.93 is: 427,784.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,064.55 : 1,438,833.60 = 285,142.93 : x
  2. Step 2: Convert to fraction form
    959,064.55/1,438,833.60 = 285,142.93/x
  3. Step 3: Cross multiply
    959,064.55x = 1,438,833.60 × 285,142.93
  4. Step 4: Simplify right side
    959,064.55x = 410,273,228,486.45
  5. Step 5: Solve for x
    x = 410,273,228,486.45/959,064.55
  6. Step 6: Final answer
    x = 427,784.79

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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.