Home / 851,164.32-1,174,713.18-488,701.80

Finding the Fourth Proportional to 851,164.32, 1,174,713.18 and 488,701.80

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Solution

The fourth proportional to 851,164.32, 1,174,713.18 and 488,701.80 is: 674,469.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,164.32 : 1,174,713.18 = 488,701.80 : x
  2. Step 2: Convert to fraction form
    851,164.32/1,174,713.18 = 488,701.80/x
  3. Step 3: Cross multiply
    851,164.32x = 1,174,713.18 × 488,701.80
  4. Step 4: Simplify right side
    851,164.32x = 574,084,445,549.72
  5. Step 5: Solve for x
    x = 574,084,445,549.72/851,164.32
  6. Step 6: Final answer
    x = 674,469.58

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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.