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Finding the Fourth Proportional to 454,276.35, 679,938.30 and 454,276.35

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Solution

The fourth proportional to 454,276.35, 679,938.30 and 454,276.35 is: 679,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,276.35 : 679,938.30 = 454,276.35 : x
  2. Step 2: Convert to fraction form
    454,276.35/679,938.30 = 454,276.35/x
  3. Step 3: Cross multiply
    454,276.35x = 679,938.30 × 454,276.35
  4. Step 4: Simplify right side
    454,276.35x = 308,879,889,149.21
  5. Step 5: Solve for x
    x = 308,879,889,149.21/454,276.35
  6. Step 6: Final answer
    x = 679,938.30

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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.