Home / 910,040.40-1,365,060.60-377,505.90

Finding the Fourth Proportional to 910,040.40, 1,365,060.60 and 377,505.90

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Solution

The fourth proportional to 910,040.40, 1,365,060.60 and 377,505.90 is: 566,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,040.40 : 1,365,060.60 = 377,505.90 : x
  2. Step 2: Convert to fraction form
    910,040.40/1,365,060.60 = 377,505.90/x
  3. Step 3: Cross multiply
    910,040.40x = 1,365,060.60 × 377,505.90
  4. Step 4: Simplify right side
    910,040.40x = 515,318,430,357.54
  5. Step 5: Solve for x
    x = 515,318,430,357.54/910,040.40
  6. Step 6: Final answer
    x = 566,258.85

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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.