Home / 790,188.71-1,090,460.39-427,612.56

Finding the Fourth Proportional to 790,188.71, 1,090,460.39 and 427,612.56

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Solution

The fourth proportional to 790,188.71, 1,090,460.39 and 427,612.56 is: 590,105.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,188.71 : 1,090,460.39 = 427,612.56 : x
  2. Step 2: Convert to fraction form
    790,188.71/1,090,460.39 = 427,612.56/x
  3. Step 3: Cross multiply
    790,188.71x = 1,090,460.39 × 427,612.56
  4. Step 4: Simplify right side
    790,188.71x = 466,294,556,808.44
  5. Step 5: Solve for x
    x = 466,294,556,808.44/790,188.71
  6. Step 6: Final answer
    x = 590,105.32

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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.