Home / 790,570.19-1,090,986.62-427,993.80

Finding the Fourth Proportional to 790,570.19, 1,090,986.62 and 427,993.80

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Solution

The fourth proportional to 790,570.19, 1,090,986.62 and 427,993.80 is: 590,631.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,570.19 : 1,090,986.62 = 427,993.80 : x
  2. Step 2: Convert to fraction form
    790,570.19/1,090,986.62 = 427,993.80/x
  3. Step 3: Cross multiply
    790,570.19x = 1,090,986.62 × 427,993.80
  4. Step 4: Simplify right side
    790,570.19x = 466,935,507,102.99
  5. Step 5: Solve for x
    x = 466,935,507,102.99/790,570.19
  6. Step 6: Final answer
    x = 590,631.31

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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.