Home / 673,719.96-929,709.18-371,907.48

Finding the Fourth Proportional to 673,719.96, 929,709.18 and 371,907.48

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Solution

The fourth proportional to 673,719.96, 929,709.18 and 371,907.48 is: 513,218.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,719.96 : 929,709.18 = 371,907.48 : x
  2. Step 2: Convert to fraction form
    673,719.96/929,709.18 = 371,907.48/x
  3. Step 3: Cross multiply
    673,719.96x = 929,709.18 × 371,907.48
  4. Step 4: Simplify right side
    673,719.96x = 345,765,798,266.67
  5. Step 5: Solve for x
    x = 345,765,798,266.67/673,719.96
  6. Step 6: Final answer
    x = 513,218.87

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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.