Home / 958,321.81-1,437,387.04-389,736.46

Finding the Fourth Proportional to 958,321.81, 1,437,387.04 and 389,736.46

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Solution

The fourth proportional to 958,321.81, 1,437,387.04 and 389,736.46 is: 584,565.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,321.81 : 1,437,387.04 = 389,736.46 : x
  2. Step 2: Convert to fraction form
    958,321.81/1,437,387.04 = 389,736.46/x
  3. Step 3: Cross multiply
    958,321.81x = 1,437,387.04 × 389,736.46
  4. Step 4: Simplify right side
    958,321.81x = 560,202,136,619.48
  5. Step 5: Solve for x
    x = 560,202,136,619.48/958,321.81
  6. Step 6: Final answer
    x = 584,565.78

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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.