Home / 810,628.92-1,118,087.64-568,965.48

Finding the Fourth Proportional to 810,628.92, 1,118,087.64 and 568,965.48

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Solution

The fourth proportional to 810,628.92, 1,118,087.64 and 568,965.48 is: 784,765.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,628.92 : 1,118,087.64 = 568,965.48 : x
  2. Step 2: Convert to fraction form
    810,628.92/1,118,087.64 = 568,965.48/x
  3. Step 3: Cross multiply
    810,628.92x = 1,118,087.64 × 568,965.48
  4. Step 4: Simplify right side
    810,628.92x = 636,153,270,774.67
  5. Step 5: Solve for x
    x = 636,153,270,774.67/810,628.92
  6. Step 6: Final answer
    x = 784,765.08

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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.