Home / 745,013.46-1,117,686.78-271,698.84

Finding the Fourth Proportional to 745,013.46, 1,117,686.78 and 271,698.84

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Solution

The fourth proportional to 745,013.46, 1,117,686.78 and 271,698.84 is: 407,609.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,013.46 : 1,117,686.78 = 271,698.84 : x
  2. Step 2: Convert to fraction form
    745,013.46/1,117,686.78 = 271,698.84/x
  3. Step 3: Cross multiply
    745,013.46x = 1,117,686.78 × 271,698.84
  4. Step 4: Simplify right side
    745,013.46x = 303,674,201,609.34
  5. Step 5: Solve for x
    x = 303,674,201,609.34/745,013.46
  6. Step 6: Final answer
    x = 407,609.01

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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.