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Finding the Fourth Proportional to 456,888.66, 630,418.86 and 295,721.34

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Solution

The fourth proportional to 456,888.66, 630,418.86 and 295,721.34 is: 408,038.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,888.66 : 630,418.86 = 295,721.34 : x
  2. Step 2: Convert to fraction form
    456,888.66/630,418.86 = 295,721.34/x
  3. Step 3: Cross multiply
    456,888.66x = 630,418.86 × 295,721.34
  4. Step 4: Simplify right side
    456,888.66x = 186,428,310,040.47
  5. Step 5: Solve for x
    x = 186,428,310,040.47/456,888.66
  6. Step 6: Final answer
    x = 408,038.82

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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.