Home / 662,020.80-992,253.60-306,283.38

Finding the Fourth Proportional to 662,020.80, 992,253.60 and 306,283.38

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Solution

The fourth proportional to 662,020.80, 992,253.60 and 306,283.38 is: 459,065.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,020.80 : 992,253.60 = 306,283.38 : x
  2. Step 2: Convert to fraction form
    662,020.80/992,253.60 = 306,283.38/x
  3. Step 3: Cross multiply
    662,020.80x = 992,253.60 × 306,283.38
  4. Step 4: Simplify right side
    662,020.80x = 303,910,786,425.17
  5. Step 5: Solve for x
    x = 303,910,786,425.17/662,020.80
  6. Step 6: Final answer
    x = 459,065.31

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1.5x scale

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.