Home / 673,421.31-1,009,836.36-252,401.94

Finding the Fourth Proportional to 673,421.31, 1,009,836.36 and 252,401.94

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Solution

The fourth proportional to 673,421.31, 1,009,836.36 and 252,401.94 is: 378,492.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,421.31 : 1,009,836.36 = 252,401.94 : x
  2. Step 2: Convert to fraction form
    673,421.31/1,009,836.36 = 252,401.94/x
  3. Step 3: Cross multiply
    673,421.31x = 1,009,836.36 × 252,401.94
  4. Step 4: Simplify right side
    673,421.31x = 254,884,656,346.54
  5. Step 5: Solve for x
    x = 254,884,656,346.54/673,421.31
  6. Step 6: Final answer
    x = 378,492.12

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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.