Home / 434,540.40-651,810.60-292,822.80

Finding the Fourth Proportional to 434,540.40, 651,810.60 and 292,822.80

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Solution

The fourth proportional to 434,540.40, 651,810.60 and 292,822.80 is: 439,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,540.40 : 651,810.60 = 292,822.80 : x
  2. Step 2: Convert to fraction form
    434,540.40/651,810.60 = 292,822.80/x
  3. Step 3: Cross multiply
    434,540.40x = 651,810.60 × 292,822.80
  4. Step 4: Simplify right side
    434,540.40x = 190,865,004,961.68
  5. Step 5: Solve for x
    x = 190,865,004,961.68/434,540.40
  6. Step 6: Final answer
    x = 439,234.20

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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.