Home / 765,564.82-1,056,526.03-426,033.07

Finding the Fourth Proportional to 765,564.82, 1,056,526.03 and 426,033.07

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Solution

The fourth proportional to 765,564.82, 1,056,526.03 and 426,033.07 is: 587,951.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,564.82 : 1,056,526.03 = 426,033.07 : x
  2. Step 2: Convert to fraction form
    765,564.82/1,056,526.03 = 426,033.07/x
  3. Step 3: Cross multiply
    765,564.82x = 1,056,526.03 × 426,033.07
  4. Step 4: Simplify right side
    765,564.82x = 450,115,025,987.04
  5. Step 5: Solve for x
    x = 450,115,025,987.04/765,564.82
  6. Step 6: Final answer
    x = 587,951.56

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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.