Home / 742,571.24-1,024,749.48-403,039.64

Finding the Fourth Proportional to 742,571.24, 1,024,749.48 and 403,039.64

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Solution

The fourth proportional to 742,571.24, 1,024,749.48 and 403,039.64 is: 556,195.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,571.24 : 1,024,749.48 = 403,039.64 : x
  2. Step 2: Convert to fraction form
    742,571.24/1,024,749.48 = 403,039.64/x
  3. Step 3: Cross multiply
    742,571.24x = 1,024,749.48 × 403,039.64
  4. Step 4: Simplify right side
    742,571.24x = 413,014,661,509.39
  5. Step 5: Solve for x
    x = 413,014,661,509.39/742,571.24
  6. Step 6: Final answer
    x = 556,195.34

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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.