Home / 706,740.14-1,057,435.12-418,706.48

Finding the Fourth Proportional to 706,740.14, 1,057,435.12 and 418,706.48

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Solution

The fourth proportional to 706,740.14, 1,057,435.12 and 418,706.48 is: 626,474.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,740.14 : 1,057,435.12 = 418,706.48 : x
  2. Step 2: Convert to fraction form
    706,740.14/1,057,435.12 = 418,706.48/x
  3. Step 3: Cross multiply
    706,740.14x = 1,057,435.12 × 418,706.48
  4. Step 4: Simplify right side
    706,740.14x = 442,754,936,923.58
  5. Step 5: Solve for x
    x = 442,754,936,923.58/706,740.14
  6. Step 6: Final answer
    x = 626,474.87

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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.