Home / 727,835.60-1,091,753.40-603,419.60

Finding the Fourth Proportional to 727,835.60, 1,091,753.40 and 603,419.60

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Solution

The fourth proportional to 727,835.60, 1,091,753.40 and 603,419.60 is: 905,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,835.60 : 1,091,753.40 = 603,419.60 : x
  2. Step 2: Convert to fraction form
    727,835.60/1,091,753.40 = 603,419.60/x
  3. Step 3: Cross multiply
    727,835.60x = 1,091,753.40 × 603,419.60
  4. Step 4: Simplify right side
    727,835.60x = 658,785,399,926.64
  5. Step 5: Solve for x
    x = 658,785,399,926.64/727,835.60
  6. Step 6: Final answer
    x = 905,129.40

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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.