Home / 603,206.45-832,748.07-465,083.70

Finding the Fourth Proportional to 603,206.45, 832,748.07 and 465,083.70

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Solution

The fourth proportional to 603,206.45, 832,748.07 and 465,083.70 is: 642,064.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,206.45 : 832,748.07 = 465,083.70 : x
  2. Step 2: Convert to fraction form
    603,206.45/832,748.07 = 465,083.70/x
  3. Step 3: Cross multiply
    603,206.45x = 832,748.07 × 465,083.70
  4. Step 4: Simplify right side
    603,206.45x = 387,297,553,563.46
  5. Step 5: Solve for x
    x = 387,297,553,563.46/603,206.45
  6. Step 6: Final answer
    x = 642,064.68

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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.