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Finding the Fourth Proportional to 807,164.88, 1,210,740.84 and 301,853.40

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Solution

The fourth proportional to 807,164.88, 1,210,740.84 and 301,853.40 is: 452,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,164.88 : 1,210,740.84 = 301,853.40 : x
  2. Step 2: Convert to fraction form
    807,164.88/1,210,740.84 = 301,853.40/x
  3. Step 3: Cross multiply
    807,164.88x = 1,210,740.84 × 301,853.40
  4. Step 4: Simplify right side
    807,164.88x = 365,466,239,072.86
  5. Step 5: Solve for x
    x = 365,466,239,072.86/807,164.88
  6. Step 6: Final answer
    x = 452,777.68

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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.