Home / 456,949.89-630,610.55-253,000.80

Finding the Fourth Proportional to 456,949.89, 630,610.55 and 253,000.80

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Solution

The fourth proportional to 456,949.89, 630,610.55 and 253,000.80 is: 349,152.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,949.89 : 630,610.55 = 253,000.80 : x
  2. Step 2: Convert to fraction form
    456,949.89/630,610.55 = 253,000.80/x
  3. Step 3: Cross multiply
    456,949.89x = 630,610.55 × 253,000.80
  4. Step 4: Simplify right side
    456,949.89x = 159,544,973,638.44
  5. Step 5: Solve for x
    x = 159,544,973,638.44/456,949.89
  6. Step 6: Final answer
    x = 349,152.01

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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.