Home / 751,048.47-1,036,447.52-411,516.72

Finding the Fourth Proportional to 751,048.47, 1,036,447.52 and 411,516.72

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Solution

The fourth proportional to 751,048.47, 1,036,447.52 and 411,516.72 is: 567,893.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,048.47 : 1,036,447.52 = 411,516.72 : x
  2. Step 2: Convert to fraction form
    751,048.47/1,036,447.52 = 411,516.72/x
  3. Step 3: Cross multiply
    751,048.47x = 1,036,447.52 × 411,516.72
  4. Step 4: Simplify right side
    751,048.47x = 426,515,481,824.95
  5. Step 5: Solve for x
    x = 426,515,481,824.95/751,048.47
  6. Step 6: Final answer
    x = 567,893.42

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Double scale
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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.