Home / 990,232.92-1,485,110.43-457,241.58

Finding the Fourth Proportional to 990,232.92, 1,485,110.43 and 457,241.58

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Solution

The fourth proportional to 990,232.92, 1,485,110.43 and 457,241.58 is: 685,752.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,232.92 : 1,485,110.43 = 457,241.58 : x
  2. Step 2: Convert to fraction form
    990,232.92/1,485,110.43 = 457,241.58/x
  3. Step 3: Cross multiply
    990,232.92x = 1,485,110.43 × 457,241.58
  4. Step 4: Simplify right side
    990,232.92x = 679,054,239,487.68
  5. Step 5: Solve for x
    x = 679,054,239,487.68/990,232.92
  6. Step 6: Final answer
    x = 685,752.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.