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Finding the Fourth Proportional to 479,627.84, 661,882.88 and 264,768

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Solution

The fourth proportional to 479,627.84, 661,882.88 and 264,768 is: 365,377.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,627.84 : 661,882.88 = 264,768 : x
  2. Step 2: Convert to fraction form
    479,627.84/661,882.88 = 264,768/x
  3. Step 3: Cross multiply
    479,627.84x = 661,882.88 × 264,768
  4. Step 4: Simplify right side
    479,627.84x = 175,245,406,371.84
  5. Step 5: Solve for x
    x = 175,245,406,371.84/479,627.84
  6. Step 6: Final answer
    x = 365,377.89

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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.