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Finding the Fourth Proportional to 553,600.70, 830,401.05 and 548,351.90

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Solution

The fourth proportional to 553,600.70, 830,401.05 and 548,351.90 is: 822,527.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,600.70 : 830,401.05 = 548,351.90 : x
  2. Step 2: Convert to fraction form
    553,600.70/830,401.05 = 548,351.90/x
  3. Step 3: Cross multiply
    553,600.70x = 830,401.05 × 548,351.90
  4. Step 4: Simplify right side
    553,600.70x = 455,351,993,529.50
  5. Step 5: Solve for x
    x = 455,351,993,529.50/553,600.70
  6. Step 6: Final answer
    x = 822,527.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.