Home / 958,278.22-1,437,106.37-318,410.13

Finding the Fourth Proportional to 958,278.22, 1,437,106.37 and 318,410.13

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Solution

The fourth proportional to 958,278.22, 1,437,106.37 and 318,410.13 is: 477,511.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,278.22 : 1,437,106.37 = 318,410.13 : x
  2. Step 2: Convert to fraction form
    958,278.22/1,437,106.37 = 318,410.13/x
  3. Step 3: Cross multiply
    958,278.22x = 1,437,106.37 × 318,410.13
  4. Step 4: Simplify right side
    958,278.22x = 457,589,220,235.72
  5. Step 5: Solve for x
    x = 457,589,220,235.72/958,278.22
  6. Step 6: Final answer
    x = 477,511.87

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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.