Home / 958,408.65-1,436,391.90-509,344.65

Finding the Fourth Proportional to 958,408.65, 1,436,391.90 and 509,344.65

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Solution

The fourth proportional to 958,408.65, 1,436,391.90 and 509,344.65 is: 763,368.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,408.65 : 1,436,391.90 = 509,344.65 : x
  2. Step 2: Convert to fraction form
    958,408.65/1,436,391.90 = 509,344.65/x
  3. Step 3: Cross multiply
    958,408.65x = 1,436,391.90 × 509,344.65
  4. Step 4: Simplify right side
    958,408.65x = 731,618,529,568.34
  5. Step 5: Solve for x
    x = 731,618,529,568.34/958,408.65
  6. Step 6: Final answer
    x = 763,368.04

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1.5x scale

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.