Home / 790,550.38-1,090,954.52-427,971.60

Finding the Fourth Proportional to 790,550.38, 1,090,954.52 and 427,971.60

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Solution

The fourth proportional to 790,550.38, 1,090,954.52 and 427,971.60 is: 590,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,550.38 : 1,090,954.52 = 427,971.60 : x
  2. Step 2: Convert to fraction form
    790,550.38/1,090,954.52 = 427,971.60/x
  3. Step 3: Cross multiply
    790,550.38x = 1,090,954.52 × 427,971.60
  4. Step 4: Simplify right side
    790,550.38x = 466,897,551,451.63
  5. Step 5: Solve for x
    x = 466,897,551,451.63/790,550.38
  6. Step 6: Final answer
    x = 590,598.10

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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.