Home / 790,086.36-1,090,316.97-427,516.37

Finding the Fourth Proportional to 790,086.36, 1,090,316.97 and 427,516.37

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Solution

The fourth proportional to 790,086.36, 1,090,316.97 and 427,516.37 is: 589,971.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,086.36 : 1,090,316.97 = 427,516.37 : x
  2. Step 2: Convert to fraction form
    790,086.36/1,090,316.97 = 427,516.37/x
  3. Step 3: Cross multiply
    790,086.36x = 1,090,316.97 × 427,516.37
  4. Step 4: Simplify right side
    790,086.36x = 466,128,347,712.21
  5. Step 5: Solve for x
    x = 466,128,347,712.21/790,086.36
  6. Step 6: Final answer
    x = 589,971.39

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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.