Home / 748,107.78-1,032,395.34-425,838.60

Finding the Fourth Proportional to 748,107.78, 1,032,395.34 and 425,838.60

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Solution

The fourth proportional to 748,107.78, 1,032,395.34 and 425,838.60 is: 587,661.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,107.78 : 1,032,395.34 = 425,838.60 : x
  2. Step 2: Convert to fraction form
    748,107.78/1,032,395.34 = 425,838.60/x
  3. Step 3: Cross multiply
    748,107.78x = 1,032,395.34 × 425,838.60
  4. Step 4: Simplify right side
    748,107.78x = 439,633,786,232.12
  5. Step 5: Solve for x
    x = 439,633,786,232.12/748,107.78
  6. Step 6: Final answer
    x = 587,661.03

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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.