Home / 746,987.25-1,030,845.69-407,462.79

Finding the Fourth Proportional to 746,987.25, 1,030,845.69 and 407,462.79

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Solution

The fourth proportional to 746,987.25, 1,030,845.69 and 407,462.79 is: 562,300.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,987.25 : 1,030,845.69 = 407,462.79 : x
  2. Step 2: Convert to fraction form
    746,987.25/1,030,845.69 = 407,462.79/x
  3. Step 3: Cross multiply
    746,987.25x = 1,030,845.69 × 407,462.79
  4. Step 4: Simplify right side
    746,987.25x = 420,031,260,906.88
  5. Step 5: Solve for x
    x = 420,031,260,906.88/746,987.25
  6. Step 6: Final answer
    x = 562,300.44

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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.