Home / 628,480.68-942,814.82-291,555.39

Finding the Fourth Proportional to 628,480.68, 942,814.82 and 291,555.39

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Solution

The fourth proportional to 628,480.68, 942,814.82 and 291,555.39 is: 437,376.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,480.68 : 942,814.82 = 291,555.39 : x
  2. Step 2: Convert to fraction form
    628,480.68/942,814.82 = 291,555.39/x
  3. Step 3: Cross multiply
    628,480.68x = 942,814.82 × 291,555.39
  4. Step 4: Simplify right side
    628,480.68x = 274,882,742,542.88
  5. Step 5: Solve for x
    x = 274,882,742,542.88/628,480.68
  6. Step 6: Final answer
    x = 437,376.60

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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.