Home / 628,792.38-942,868.17-308,965.50

Finding the Fourth Proportional to 628,792.38, 942,868.17 and 308,965.50

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Solution

The fourth proportional to 628,792.38, 942,868.17 and 308,965.50 is: 463,290.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,792.38 : 942,868.17 = 308,965.50 : x
  2. Step 2: Convert to fraction form
    628,792.38/942,868.17 = 308,965.50/x
  3. Step 3: Cross multiply
    628,792.38x = 942,868.17 × 308,965.50
  4. Step 4: Simplify right side
    628,792.38x = 291,313,735,578.14
  5. Step 5: Solve for x
    x = 291,313,735,578.14/628,792.38
  6. Step 6: Final answer
    x = 463,290.82

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1.5x scale

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.