Home / 603,351.18-905,027.61-257,045.40

Finding the Fourth Proportional to 603,351.18, 905,027.61 and 257,045.40

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Solution

The fourth proportional to 603,351.18, 905,027.61 and 257,045.40 is: 385,568.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,351.18 : 905,027.61 = 257,045.40 : x
  2. Step 2: Convert to fraction form
    603,351.18/905,027.61 = 257,045.40/x
  3. Step 3: Cross multiply
    603,351.18x = 905,027.61 × 257,045.40
  4. Step 4: Simplify right side
    603,351.18x = 232,633,184,023.49
  5. Step 5: Solve for x
    x = 232,633,184,023.49/603,351.18
  6. Step 6: Final answer
    x = 385,568.46

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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.