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Finding the Fourth Proportional to 447,007.96, 670,952.60 and 328,346.20

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Solution

The fourth proportional to 447,007.96, 670,952.60 and 328,346.20 is: 492,842.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,007.96 : 670,952.60 = 328,346.20 : x
  2. Step 2: Convert to fraction form
    447,007.96/670,952.60 = 328,346.20/x
  3. Step 3: Cross multiply
    447,007.96x = 670,952.60 × 328,346.20
  4. Step 4: Simplify right side
    447,007.96x = 220,304,736,590.12
  5. Step 5: Solve for x
    x = 220,304,736,590.12/447,007.96
  6. Step 6: Final answer
    x = 492,842.98

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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.