Home / 765,566.82-1,056,528.80-426,035.06

Finding the Fourth Proportional to 765,566.82, 1,056,528.80 and 426,035.06

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Solution

The fourth proportional to 765,566.82, 1,056,528.80 and 426,035.06 is: 587,954.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,566.82 : 1,056,528.80 = 426,035.06 : x
  2. Step 2: Convert to fraction form
    765,566.82/1,056,528.80 = 426,035.06/x
  3. Step 3: Cross multiply
    765,566.82x = 1,056,528.80 × 426,035.06
  4. Step 4: Simplify right side
    765,566.82x = 450,118,310,699.73
  5. Step 5: Solve for x
    x = 450,118,310,699.73/765,566.82
  6. Step 6: Final answer
    x = 587,954.31

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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.