Home / 782,134.36-1,173,374.34-283,485.40

Finding the Fourth Proportional to 782,134.36, 1,173,374.34 and 283,485.40

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Solution

The fourth proportional to 782,134.36, 1,173,374.34 and 283,485.40 is: 425,290.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,134.36 : 1,173,374.34 = 283,485.40 : x
  2. Step 2: Convert to fraction form
    782,134.36/1,173,374.34 = 283,485.40/x
  3. Step 3: Cross multiply
    782,134.36x = 1,173,374.34 × 283,485.40
  4. Step 4: Simplify right side
    782,134.36x = 332,634,494,124.64
  5. Step 5: Solve for x
    x = 332,634,494,124.64/782,134.36
  6. Step 6: Final answer
    x = 425,290.73

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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.