Home / 862,042.07-1,189,532.90-480,104.39

Finding the Fourth Proportional to 862,042.07, 1,189,532.90 and 480,104.39

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Solution

The fourth proportional to 862,042.07, 1,189,532.90 and 480,104.39 is: 662,496.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,042.07 : 1,189,532.90 = 480,104.39 : x
  2. Step 2: Convert to fraction form
    862,042.07/1,189,532.90 = 480,104.39/x
  3. Step 3: Cross multiply
    862,042.07x = 1,189,532.90 × 480,104.39
  4. Step 4: Simplify right side
    862,042.07x = 571,099,958,991.25
  5. Step 5: Solve for x
    x = 571,099,958,991.25/862,042.07
  6. Step 6: Final answer
    x = 662,496.63

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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.