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Finding the Fourth Proportional to 578,401.56, 798,202.32 and 333,250.84

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Solution

The fourth proportional to 578,401.56, 798,202.32 and 333,250.84 is: 459,890.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,401.56 : 798,202.32 = 333,250.84 : x
  2. Step 2: Convert to fraction form
    578,401.56/798,202.32 = 333,250.84/x
  3. Step 3: Cross multiply
    578,401.56x = 798,202.32 × 333,250.84
  4. Step 4: Simplify right side
    578,401.56x = 266,001,593,378.01
  5. Step 5: Solve for x
    x = 266,001,593,378.01/578,401.56
  6. Step 6: Final answer
    x = 459,890.86

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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.