Home / 851,245.12-1,174,630.98-488,582.20

Finding the Fourth Proportional to 851,245.12, 1,174,630.98 and 488,582.20

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Solution

The fourth proportional to 851,245.12, 1,174,630.98 and 488,582.20 is: 674,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,245.12 : 1,174,630.98 = 488,582.20 : x
  2. Step 2: Convert to fraction form
    851,245.12/1,174,630.98 = 488,582.20/x
  3. Step 3: Cross multiply
    851,245.12x = 1,174,630.98 × 488,582.20
  4. Step 4: Simplify right side
    851,245.12x = 573,903,788,396.56
  5. Step 5: Solve for x
    x = 573,903,788,396.56/851,245.12
  6. Step 6: Final answer
    x = 674,193.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.