Home / 897,968.40-1,347,139.80-299,115.60

Finding the Fourth Proportional to 897,968.40, 1,347,139.80 and 299,115.60

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Solution

The fourth proportional to 897,968.40, 1,347,139.80 and 299,115.60 is: 448,735.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,968.40 : 1,347,139.80 = 299,115.60 : x
  2. Step 2: Convert to fraction form
    897,968.40/1,347,139.80 = 299,115.60/x
  3. Step 3: Cross multiply
    897,968.40x = 1,347,139.80 × 299,115.60
  4. Step 4: Simplify right side
    897,968.40x = 402,950,529,560.88
  5. Step 5: Solve for x
    x = 402,950,529,560.88/897,968.40
  6. Step 6: Final answer
    x = 448,735.76

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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.