Home / 628,783.07-943,313.77-229,422.69

Finding the Fourth Proportional to 628,783.07, 943,313.77 and 229,422.69

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Solution

The fourth proportional to 628,783.07, 943,313.77 and 229,422.69 is: 344,184.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,783.07 : 943,313.77 = 229,422.69 : x
  2. Step 2: Convert to fraction form
    628,783.07/943,313.77 = 229,422.69/x
  3. Step 3: Cross multiply
    628,783.07x = 943,313.77 × 229,422.69
  4. Step 4: Simplify right side
    628,783.07x = 216,417,582,627.44
  5. Step 5: Solve for x
    x = 216,417,582,627.44/628,783.07
  6. Step 6: Final answer
    x = 344,184.81

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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.