Home / 628,674.37-943,002.33-155,359.72

Finding the Fourth Proportional to 628,674.37, 943,002.33 and 155,359.72

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Solution

The fourth proportional to 628,674.37, 943,002.33 and 155,359.72 is: 233,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,674.37 : 943,002.33 = 155,359.72 : x
  2. Step 2: Convert to fraction form
    628,674.37/943,002.33 = 155,359.72/x
  3. Step 3: Cross multiply
    628,674.37x = 943,002.33 × 155,359.72
  4. Step 4: Simplify right side
    628,674.37x = 146,504,577,948.15
  5. Step 5: Solve for x
    x = 146,504,577,948.15/628,674.37
  6. Step 6: Final answer
    x = 233,037.30

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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.