Home / 770,512.38-1,063,310.93-430,980.63

Finding the Fourth Proportional to 770,512.38, 1,063,310.93 and 430,980.63

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Solution

The fourth proportional to 770,512.38, 1,063,310.93 and 430,980.63 is: 594,755.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,512.38 : 1,063,310.93 = 430,980.63 : x
  2. Step 2: Convert to fraction form
    770,512.38/1,063,310.93 = 430,980.63/x
  3. Step 3: Cross multiply
    770,512.38x = 1,063,310.93 × 430,980.63
  4. Step 4: Simplify right side
    770,512.38x = 458,266,407,025.83
  5. Step 5: Solve for x
    x = 458,266,407,025.83/770,512.38
  6. Step 6: Final answer
    x = 594,755.41

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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.