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Finding the Fourth Proportional to 662,007.80, 992,234.10 and 306,270.38

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Solution

The fourth proportional to 662,007.80, 992,234.10 and 306,270.38 is: 459,045.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,007.80 : 992,234.10 = 306,270.38 : x
  2. Step 2: Convert to fraction form
    662,007.80/992,234.10 = 306,270.38/x
  3. Step 3: Cross multiply
    662,007.80x = 992,234.10 × 306,270.38
  4. Step 4: Simplify right side
    662,007.80x = 303,891,914,855.96
  5. Step 5: Solve for x
    x = 303,891,914,855.96/662,007.80
  6. Step 6: Final answer
    x = 459,045.82

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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.