Home / 790,169.45-1,090,436.72-427,593.26

Finding the Fourth Proportional to 790,169.45, 1,090,436.72 and 427,593.26

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Solution

The fourth proportional to 790,169.45, 1,090,436.72 and 427,593.26 is: 590,080.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,169.45 : 1,090,436.72 = 427,593.26 : x
  2. Step 2: Convert to fraction form
    790,169.45/1,090,436.72 = 427,593.26/x
  3. Step 3: Cross multiply
    790,169.45x = 1,090,436.72 × 427,593.26
  4. Step 4: Simplify right side
    790,169.45x = 466,263,391,928.51
  5. Step 5: Solve for x
    x = 466,263,391,928.51/790,169.45
  6. Step 6: Final answer
    x = 590,080.26

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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.