Home / 765,279.81-1,057,542.66-573,961.05

Finding the Fourth Proportional to 765,279.81, 1,057,542.66 and 573,961.05

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Solution

The fourth proportional to 765,279.81, 1,057,542.66 and 573,961.05 is: 793,158.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,279.81 : 1,057,542.66 = 573,961.05 : x
  2. Step 2: Convert to fraction form
    765,279.81/1,057,542.66 = 573,961.05/x
  3. Step 3: Cross multiply
    765,279.81x = 1,057,542.66 × 573,961.05
  4. Step 4: Simplify right side
    765,279.81x = 606,988,295,553.39
  5. Step 5: Solve for x
    x = 606,988,295,553.39/765,279.81
  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.