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Finding the Fourth Proportional to 453,407.40, 680,111.10 and 374,610.60

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Solution

The fourth proportional to 453,407.40, 680,111.10 and 374,610.60 is: 561,915.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,407.40 : 680,111.10 = 374,610.60 : x
  2. Step 2: Convert to fraction form
    453,407.40/680,111.10 = 374,610.60/x
  3. Step 3: Cross multiply
    453,407.40x = 680,111.10 × 374,610.60
  4. Step 4: Simplify right side
    453,407.40x = 254,776,827,237.66
  5. Step 5: Solve for x
    x = 254,776,827,237.66/453,407.40
  6. Step 6: Final answer
    x = 561,915.90

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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.