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Finding the Fourth Proportional to 448,000.62, 671,663.07 and 270,465.45

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Solution

The fourth proportional to 448,000.62, 671,663.07 and 270,465.45 is: 405,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,000.62 : 671,663.07 = 270,465.45 : x
  2. Step 2: Convert to fraction form
    448,000.62/671,663.07 = 270,465.45/x
  3. Step 3: Cross multiply
    448,000.62x = 671,663.07 × 270,465.45
  4. Step 4: Simplify right side
    448,000.62x = 181,661,654,475.93
  5. Step 5: Solve for x
    x = 181,661,654,475.93/448,000.62
  6. Step 6: Final answer
    x = 405,494.20

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Why These Related Problems?

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