Home / 765,566.25-1,056,481.43-426,034.77

Finding the Fourth Proportional to 765,566.25, 1,056,481.43 and 426,034.77

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Solution

The fourth proportional to 765,566.25, 1,056,481.43 and 426,034.77 is: 587,927.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,566.25 : 1,056,481.43 = 426,034.77 : x
  2. Step 2: Convert to fraction form
    765,566.25/1,056,481.43 = 426,034.77/x
  3. Step 3: Cross multiply
    765,566.25x = 1,056,481.43 × 426,034.77
  4. Step 4: Simplify right side
    765,566.25x = 450,097,820,909.15
  5. Step 5: Solve for x
    x = 450,097,820,909.15/765,566.25
  6. Step 6: Final answer
    x = 587,927.98

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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.