Home / 383,787.60-574,903.80-217,381.20

Finding the Fourth Proportional to 383,787.60, 574,903.80 and 217,381.20

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Solution

The fourth proportional to 383,787.60, 574,903.80 and 217,381.20 is: 325,631.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,787.60 : 574,903.80 = 217,381.20 : x
  2. Step 2: Convert to fraction form
    383,787.60/574,903.80 = 217,381.20/x
  3. Step 3: Cross multiply
    383,787.60x = 574,903.80 × 217,381.20
  4. Step 4: Simplify right side
    383,787.60x = 124,973,277,928.56
  5. Step 5: Solve for x
    x = 124,973,277,928.56/383,787.60
  6. Step 6: Final answer
    x = 325,631.36

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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.