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Finding the Fourth Proportional to 583,300.20, 804,954.36 and 315,028.20

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Solution

The fourth proportional to 583,300.20, 804,954.36 and 315,028.20 is: 434,738.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,300.20 : 804,954.36 = 315,028.20 : x
  2. Step 2: Convert to fraction form
    583,300.20/804,954.36 = 315,028.20/x
  3. Step 3: Cross multiply
    583,300.20x = 804,954.36 × 315,028.20
  4. Step 4: Simplify right side
    583,300.20x = 253,583,323,112.95
  5. Step 5: Solve for x
    x = 253,583,323,112.95/583,300.20
  6. Step 6: Final answer
    x = 434,738.96

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1.5x scale

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.