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Finding the Fourth Proportional to 801,435, 1,105,980.30 and 461,925.12

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Solution

The fourth proportional to 801,435, 1,105,980.30 and 461,925.12 is: 637,456.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,435 : 1,105,980.30 = 461,925.12 : x
  2. Step 2: Convert to fraction form
    801,435/1,105,980.30 = 461,925.12/x
  3. Step 3: Cross multiply
    801,435x = 1,105,980.30 × 461,925.12
  4. Step 4: Simplify right side
    801,435x = 510,880,082,795.14
  5. Step 5: Solve for x
    x = 510,880,082,795.14/801,435
  6. Step 6: Final answer
    x = 637,456.67

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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.