Home / 748,945.58-1,033,551.78-426,650.90

Finding the Fourth Proportional to 748,945.58, 1,033,551.78 and 426,650.90

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Solution

The fourth proportional to 748,945.58, 1,033,551.78 and 426,650.90 is: 588,782.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,945.58 : 1,033,551.78 = 426,650.90 : x
  2. Step 2: Convert to fraction form
    748,945.58/1,033,551.78 = 426,650.90/x
  3. Step 3: Cross multiply
    748,945.58x = 1,033,551.78 × 426,650.90
  4. Step 4: Simplify right side
    748,945.58x = 440,965,797,133.60
  5. Step 5: Solve for x
    x = 440,965,797,133.60/748,945.58
  6. Step 6: Final answer
    x = 588,782.16

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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.