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Finding the Fourth Proportional to 461,638.20, 692,457.30 and 433,644.60

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Solution

The fourth proportional to 461,638.20, 692,457.30 and 433,644.60 is: 650,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,638.20 : 692,457.30 = 433,644.60 : x
  2. Step 2: Convert to fraction form
    461,638.20/692,457.30 = 433,644.60/x
  3. Step 3: Cross multiply
    461,638.20x = 692,457.30 × 433,644.60
  4. Step 4: Simplify right side
    461,638.20x = 300,280,368,875.58
  5. Step 5: Solve for x
    x = 300,280,368,875.58/461,638.20
  6. Step 6: Final answer
    x = 650,466.90

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