Home / 456,523.19-630,203.79-272,826.58

Finding the Fourth Proportional to 456,523.19, 630,203.79 and 272,826.58

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Solution

The fourth proportional to 456,523.19, 630,203.79 and 272,826.58 is: 376,621.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,523.19 : 630,203.79 = 272,826.58 : x
  2. Step 2: Convert to fraction form
    456,523.19/630,203.79 = 272,826.58/x
  3. Step 3: Cross multiply
    456,523.19x = 630,203.79 × 272,826.58
  4. Step 4: Simplify right side
    456,523.19x = 171,936,344,728.74
  5. Step 5: Solve for x
    x = 171,936,344,728.74/456,523.19
  6. Step 6: Final answer
    x = 376,621.28

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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.