Home / 958,766.18-1,437,138.20-318,899.04

Finding the Fourth Proportional to 958,766.18, 1,437,138.20 and 318,899.04

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Solution

The fourth proportional to 958,766.18, 1,437,138.20 and 318,899.04 is: 478,012.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,766.18 : 1,437,138.20 = 318,899.04 : x
  2. Step 2: Convert to fraction form
    958,766.18/1,437,138.20 = 318,899.04/x
  3. Step 3: Cross multiply
    958,766.18x = 1,437,138.20 × 318,899.04
  4. Step 4: Simplify right side
    958,766.18x = 458,301,990,732.83
  5. Step 5: Solve for x
    x = 458,301,990,732.83/958,766.18
  6. Step 6: Final answer
    x = 478,012.26

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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.