Home / 862,028.01-1,189,513.50-480,090.33

Finding the Fourth Proportional to 862,028.01, 1,189,513.50 and 480,090.33

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Solution

The fourth proportional to 862,028.01, 1,189,513.50 and 480,090.33 is: 662,477.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,028.01 : 1,189,513.50 = 480,090.33 : x
  2. Step 2: Convert to fraction form
    862,028.01/1,189,513.50 = 480,090.33/x
  3. Step 3: Cross multiply
    862,028.01x = 1,189,513.50 × 480,090.33
  4. Step 4: Simplify right side
    862,028.01x = 571,073,928,754.46
  5. Step 5: Solve for x
    x = 571,073,928,754.46/862,028.01
  6. Step 6: Final answer
    x = 662,477.23

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Double scale
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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.