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Finding the Fourth Proportional to 447,225.40, 670,838.10 and 447,225.40

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Solution

The fourth proportional to 447,225.40, 670,838.10 and 447,225.40 is: 670,838.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,225.40 : 670,838.10 = 447,225.40 : x
  2. Step 2: Convert to fraction form
    447,225.40/670,838.10 = 447,225.40/x
  3. Step 3: Cross multiply
    447,225.40x = 670,838.10 × 447,225.40
  4. Step 4: Simplify right side
    447,225.40x = 300,015,837,607.74
  5. Step 5: Solve for x
    x = 300,015,837,607.74/447,225.40
  6. Step 6: Final answer
    x = 670,838.10

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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.