Home / 1,008,372.76-1,391,536.56-549,491.38

Finding the Fourth Proportional to 1,008,372.76, 1,391,536.56 and 549,491.38

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Solution

The fourth proportional to 1,008,372.76, 1,391,536.56 and 549,491.38 is: 758,288.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,372.76 : 1,391,536.56 = 549,491.38 : x
  2. Step 2: Convert to fraction form
    1,008,372.76/1,391,536.56 = 549,491.38/x
  3. Step 3: Cross multiply
    1,008,372.76x = 1,391,536.56 × 549,491.38
  4. Step 4: Simplify right side
    1,008,372.76x = 764,637,344,674.85
  5. Step 5: Solve for x
    x = 764,637,344,674.85/1,008,372.76
  6. Step 6: Final answer
    x = 758,288.38

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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.