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Finding the Fourth Proportional to 456,579.86, 630,333.58 and 275,337.70

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Solution

The fourth proportional to 456,579.86, 630,333.58 and 275,337.70 is: 380,118.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,579.86 : 630,333.58 = 275,337.70 : x
  2. Step 2: Convert to fraction form
    456,579.86/630,333.58 = 275,337.70/x
  3. Step 3: Cross multiply
    456,579.86x = 630,333.58 × 275,337.70
  4. Step 4: Simplify right side
    456,579.86x = 173,554,598,149.97
  5. Step 5: Solve for x
    x = 173,554,598,149.97/456,579.86
  6. Step 6: Final answer
    x = 380,118.82

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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.