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Finding the Fourth Proportional to 669,454.80, 923,506.02 and 427,482.96

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Solution

The fourth proportional to 669,454.80, 923,506.02 and 427,482.96 is: 589,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,454.80 : 923,506.02 = 427,482.96 : x
  2. Step 2: Convert to fraction form
    669,454.80/923,506.02 = 427,482.96/x
  3. Step 3: Cross multiply
    669,454.80x = 923,506.02 × 427,482.96
  4. Step 4: Simplify right side
    669,454.80x = 394,783,087,007.42
  5. Step 5: Solve for x
    x = 394,783,087,007.42/669,454.80
  6. Step 6: Final answer
    x = 589,708.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.