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Finding the Fourth Proportional to 456,903, 630,438.62 and 295,735.68

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Solution

The fourth proportional to 456,903, 630,438.62 and 295,735.68 is: 408,058.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,903 : 630,438.62 = 295,735.68 : x
  2. Step 2: Convert to fraction form
    456,903/630,438.62 = 295,735.68/x
  3. Step 3: Cross multiply
    456,903x = 630,438.62 × 295,735.68
  4. Step 4: Simplify right side
    456,903x = 186,443,192,505.28
  5. Step 5: Solve for x
    x = 186,443,192,505.28/456,903
  6. Step 6: Final answer
    x = 408,058.59

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1.5x scale

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.