Home / 868,918.13-1,199,144.93-481,708.93

Finding the Fourth Proportional to 868,918.13, 1,199,144.93 and 481,708.93

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Solution

The fourth proportional to 868,918.13, 1,199,144.93 and 481,708.93 is: 664,779.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,918.13 : 1,199,144.93 = 481,708.93 : x
  2. Step 2: Convert to fraction form
    868,918.13/1,199,144.93 = 481,708.93/x
  3. Step 3: Cross multiply
    868,918.13x = 1,199,144.93 × 481,708.93
  4. Step 4: Simplify right side
    868,918.13x = 577,638,812,740.96
  5. Step 5: Solve for x
    x = 577,638,812,740.96/868,918.13
  6. Step 6: Final answer
    x = 664,779.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.