Home / 765,279.79-1,057,542.66-573,961.03

Finding the Fourth Proportional to 765,279.79, 1,057,542.66 and 573,961.03

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Solution

The fourth proportional to 765,279.79, 1,057,542.66 and 573,961.03 is: 793,158.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,279.79 : 1,057,542.66 = 573,961.03 : x
  2. Step 2: Convert to fraction form
    765,279.79/1,057,542.66 = 573,961.03/x
  3. Step 3: Cross multiply
    765,279.79x = 1,057,542.66 × 573,961.03
  4. Step 4: Simplify right side
    765,279.79x = 606,988,271,758.68
  5. Step 5: Solve for x
    x = 606,988,271,758.68/765,279.79
  6. Step 6: Final answer
    x = 793,158.64

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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.