Home / 810,023.97-1,117,786.76-483,705.20

Finding the Fourth Proportional to 810,023.97, 1,117,786.76 and 483,705.20

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Solution

The fourth proportional to 810,023.97, 1,117,786.76 and 483,705.20 is: 667,485.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,023.97 : 1,117,786.76 = 483,705.20 : x
  2. Step 2: Convert to fraction form
    810,023.97/1,117,786.76 = 483,705.20/x
  3. Step 3: Cross multiply
    810,023.97x = 1,117,786.76 × 483,705.20
  4. Step 4: Simplify right side
    810,023.97x = 540,679,272,306.88
  5. Step 5: Solve for x
    x = 540,679,272,306.88/810,023.97
  6. Step 6: Final answer
    x = 667,485.52

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Double scale
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1.5x scale

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.