Home / 745,101-1,117,818.09-271,786.34

Finding the Fourth Proportional to 745,101, 1,117,818.09 and 271,786.34

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Solution

The fourth proportional to 745,101, 1,117,818.09 and 271,786.34 is: 407,740.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,101 : 1,117,818.09 = 271,786.34 : x
  2. Step 2: Convert to fraction form
    745,101/1,117,818.09 = 271,786.34/x
  3. Step 3: Cross multiply
    745,101x = 1,117,818.09 × 271,786.34
  4. Step 4: Simplify right side
    745,101x = 303,807,690,261.44
  5. Step 5: Solve for x
    x = 303,807,690,261.44/745,101
  6. Step 6: Final answer
    x = 407,740.28

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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.