Home / 570,168.21-786,822.08-328,450.04

Finding the Fourth Proportional to 570,168.21, 786,822.08 and 328,450.04

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Solution

The fourth proportional to 570,168.21, 786,822.08 and 328,450.04 is: 453,255.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,168.21 : 786,822.08 = 328,450.04 : x
  2. Step 2: Convert to fraction form
    570,168.21/786,822.08 = 328,450.04/x
  3. Step 3: Cross multiply
    570,168.21x = 786,822.08 × 328,450.04
  4. Step 4: Simplify right side
    570,168.21x = 258,431,740,535.90
  5. Step 5: Solve for x
    x = 258,431,740,535.90/570,168.21
  6. Step 6: Final answer
    x = 453,255.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.