Home / 463,769.40-639,856.50-259,792.77

Finding the Fourth Proportional to 463,769.40, 639,856.50 and 259,792.77

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Solution

The fourth proportional to 463,769.40, 639,856.50 and 259,792.77 is: 358,432.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,769.40 : 639,856.50 = 259,792.77 : x
  2. Step 2: Convert to fraction form
    463,769.40/639,856.50 = 259,792.77/x
  3. Step 3: Cross multiply
    463,769.40x = 639,856.50 × 259,792.77
  4. Step 4: Simplify right side
    463,769.40x = 166,230,092,537.51
  5. Step 5: Solve for x
    x = 166,230,092,537.51/463,769.40
  6. Step 6: Final answer
    x = 358,432.64

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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.