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Finding the Fourth Proportional to 631,647.31, 946,575.30 and 488,827.75

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Solution

The fourth proportional to 631,647.31, 946,575.30 and 488,827.75 is: 732,548.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,647.31 : 946,575.30 = 488,827.75 : x
  2. Step 2: Convert to fraction form
    631,647.31/946,575.30 = 488,827.75/x
  3. Step 3: Cross multiply
    631,647.31x = 946,575.30 × 488,827.75
  4. Step 4: Simplify right side
    631,647.31x = 462,712,274,104.58
  5. Step 5: Solve for x
    x = 462,712,274,104.58/631,647.31
  6. Step 6: Final answer
    x = 732,548.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.