Home / 742,198.24-1,024,229.29-402,659.20

Finding the Fourth Proportional to 742,198.24, 1,024,229.29 and 402,659.20

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Solution

The fourth proportional to 742,198.24, 1,024,229.29 and 402,659.20 is: 555,667.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,198.24 : 1,024,229.29 = 402,659.20 : x
  2. Step 2: Convert to fraction form
    742,198.24/1,024,229.29 = 402,659.20/x
  3. Step 3: Cross multiply
    742,198.24x = 1,024,229.29 × 402,659.20
  4. Step 4: Simplify right side
    742,198.24x = 412,415,339,393.53
  5. Step 5: Solve for x
    x = 412,415,339,393.53/742,198.24
  6. Step 6: Final answer
    x = 555,667.37

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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.