Home / 482,811.40-723,756.30-376,136.20

Finding the Fourth Proportional to 482,811.40, 723,756.30 and 376,136.20

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Solution

The fourth proportional to 482,811.40, 723,756.30 and 376,136.20 is: 563,845.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,811.40 : 723,756.30 = 376,136.20 : x
  2. Step 2: Convert to fraction form
    482,811.40/723,756.30 = 376,136.20/x
  3. Step 3: Cross multiply
    482,811.40x = 723,756.30 × 376,136.20
  4. Step 4: Simplify right side
    482,811.40x = 272,230,944,408.06
  5. Step 5: Solve for x
    x = 272,230,944,408.06/482,811.40
  6. Step 6: Final answer
    x = 563,845.31

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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.