Home / 876,633.12-1,315,081.12-307,913.94

Finding the Fourth Proportional to 876,633.12, 1,315,081.12 and 307,913.94

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Solution

The fourth proportional to 876,633.12, 1,315,081.12 and 307,913.94 is: 461,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,633.12 : 1,315,081.12 = 307,913.94 : x
  2. Step 2: Convert to fraction form
    876,633.12/1,315,081.12 = 307,913.94/x
  3. Step 3: Cross multiply
    876,633.12x = 1,315,081.12 × 307,913.94
  4. Step 4: Simplify right side
    876,633.12x = 404,931,809,078.81
  5. Step 5: Solve for x
    x = 404,931,809,078.81/876,633.12
  6. Step 6: Final answer
    x = 461,917.08

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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.