Home / 628,782.07-943,312.27-229,421.69

Finding the Fourth Proportional to 628,782.07, 943,312.27 and 229,421.69

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Solution

The fourth proportional to 628,782.07, 943,312.27 and 229,421.69 is: 344,183.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,782.07 : 943,312.27 = 229,421.69 : x
  2. Step 2: Convert to fraction form
    628,782.07/943,312.27 = 229,421.69/x
  3. Step 3: Cross multiply
    628,782.07x = 943,312.27 × 229,421.69
  4. Step 4: Simplify right side
    628,782.07x = 216,416,295,181.14
  5. Step 5: Solve for x
    x = 216,416,295,181.14/628,782.07
  6. Step 6: Final answer
    x = 344,183.31

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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.