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Finding the Fourth Proportional to 492,476.04, 679,624.86 and 277,626.60

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Solution

The fourth proportional to 492,476.04, 679,624.86 and 277,626.60 is: 383,129.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,476.04 : 679,624.86 = 277,626.60 : x
  2. Step 2: Convert to fraction form
    492,476.04/679,624.86 = 277,626.60/x
  3. Step 3: Cross multiply
    492,476.04x = 679,624.86 × 277,626.60
  4. Step 4: Simplify right side
    492,476.04x = 188,681,939,157.28
  5. Step 5: Solve for x
    x = 188,681,939,157.28/492,476.04
  6. Step 6: Final answer
    x = 383,129.18

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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.