Home / 959,412.52-1,438,867.86-285,312.16

Finding the Fourth Proportional to 959,412.52, 1,438,867.86 and 285,312.16

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Solution

The fourth proportional to 959,412.52, 1,438,867.86 and 285,312.16 is: 427,893.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,412.52 : 1,438,867.86 = 285,312.16 : x
  2. Step 2: Convert to fraction form
    959,412.52/1,438,867.86 = 285,312.16/x
  3. Step 3: Cross multiply
    959,412.52x = 1,438,867.86 × 285,312.16
  4. Step 4: Simplify right side
    959,412.52x = 410,526,497,091.18
  5. Step 5: Solve for x
    x = 410,526,497,091.18/959,412.52
  6. Step 6: Final answer
    x = 427,893.62

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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.