Home / 456,524.69-630,205.86-272,828.09

Finding the Fourth Proportional to 456,524.69, 630,205.86 and 272,828.09

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Solution

The fourth proportional to 456,524.69, 630,205.86 and 272,828.09 is: 376,623.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,524.69 : 630,205.86 = 272,828.09 : x
  2. Step 2: Convert to fraction form
    456,524.69/630,205.86 = 272,828.09/x
  3. Step 3: Cross multiply
    456,524.69x = 630,205.86 × 272,828.09
  4. Step 4: Simplify right side
    456,524.69x = 171,937,857,939.58
  5. Step 5: Solve for x
    x = 171,937,857,939.58/456,524.69
  6. Step 6: Final answer
    x = 376,623.35

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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.