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Finding the Fourth Proportional to 583,300.75, 804,955.04 and 315,028.75

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Solution

The fourth proportional to 583,300.75, 804,955.04 and 315,028.75 is: 434,739.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,300.75 : 804,955.04 = 315,028.75 : x
  2. Step 2: Convert to fraction form
    583,300.75/804,955.04 = 315,028.75/x
  3. Step 3: Cross multiply
    583,300.75x = 804,955.04 × 315,028.75
  4. Step 4: Simplify right side
    583,300.75x = 253,583,980,057.40
  5. Step 5: Solve for x
    x = 253,583,980,057.40/583,300.75
  6. Step 6: Final answer
    x = 434,739.68

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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.