Home / 959,703.40-1,438,699.50-486,145

Finding the Fourth Proportional to 959,703.40, 1,438,699.50 and 486,145

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Solution

The fourth proportional to 959,703.40, 1,438,699.50 and 486,145 is: 728,784.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,703.40 : 1,438,699.50 = 486,145 : x
  2. Step 2: Convert to fraction form
    959,703.40/1,438,699.50 = 486,145/x
  3. Step 3: Cross multiply
    959,703.40x = 1,438,699.50 × 486,145
  4. Step 4: Simplify right side
    959,703.40x = 699,416,568,427.50
  5. Step 5: Solve for x
    x = 699,416,568,427.50/959,703.40
  6. Step 6: Final answer
    x = 728,784.09

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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.