Home / 603,811.68-833,267.76-331,909.20

Finding the Fourth Proportional to 603,811.68, 833,267.76 and 331,909.20

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Solution

The fourth proportional to 603,811.68, 833,267.76 and 331,909.20 is: 458,038.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,811.68 : 833,267.76 = 331,909.20 : x
  2. Step 2: Convert to fraction form
    603,811.68/833,267.76 = 331,909.20/x
  3. Step 3: Cross multiply
    603,811.68x = 833,267.76 × 331,909.20
  4. Step 4: Simplify right side
    603,811.68x = 276,569,235,607.39
  5. Step 5: Solve for x
    x = 276,569,235,607.39/603,811.68
  6. Step 6: Final answer
    x = 458,038.90

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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.