Home / 899,739.03-1,241,639.73-491,842.58

Finding the Fourth Proportional to 899,739.03, 1,241,639.73 and 491,842.58

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Solution

The fourth proportional to 899,739.03, 1,241,639.73 and 491,842.58 is: 678,742.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,739.03 : 1,241,639.73 = 491,842.58 : x
  2. Step 2: Convert to fraction form
    899,739.03/1,241,639.73 = 491,842.58/x
  3. Step 3: Cross multiply
    899,739.03x = 1,241,639.73 × 491,842.58
  4. Step 4: Simplify right side
    899,739.03x = 610,691,282,025.51
  5. Step 5: Solve for x
    x = 610,691,282,025.51/899,739.03
  6. Step 6: Final answer
    x = 678,742.68

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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.