Home / 672,774.28-1,009,327.50-199,459.62

Finding the Fourth Proportional to 672,774.28, 1,009,327.50 and 199,459.62

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Solution

The fourth proportional to 672,774.28, 1,009,327.50 and 199,459.62 is: 299,238.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,774.28 : 1,009,327.50 = 199,459.62 : x
  2. Step 2: Convert to fraction form
    672,774.28/1,009,327.50 = 199,459.62/x
  3. Step 3: Cross multiply
    672,774.28x = 1,009,327.50 × 199,459.62
  4. Step 4: Simplify right side
    672,774.28x = 201,320,079,605.55
  5. Step 5: Solve for x
    x = 201,320,079,605.55/672,774.28
  6. Step 6: Final answer
    x = 299,238.67

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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.