Home / 673,861.05-929,921.13-367,936.47

Finding the Fourth Proportional to 673,861.05, 929,921.13 and 367,936.47

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Solution

The fourth proportional to 673,861.05, 929,921.13 and 367,936.47 is: 507,748.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,861.05 : 929,921.13 = 367,936.47 : x
  2. Step 2: Convert to fraction form
    673,861.05/929,921.13 = 367,936.47/x
  3. Step 3: Cross multiply
    673,861.05x = 929,921.13 × 367,936.47
  4. Step 4: Simplify right side
    673,861.05x = 342,151,897,950.61
  5. Step 5: Solve for x
    x = 342,151,897,950.61/673,861.05
  6. Step 6: Final answer
    x = 507,748.44

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1.5x scale

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.