Home / 880,067.70-1,320,101.55-575,637.30

Finding the Fourth Proportional to 880,067.70, 1,320,101.55 and 575,637.30

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Solution

The fourth proportional to 880,067.70, 1,320,101.55 and 575,637.30 is: 863,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,067.70 : 1,320,101.55 = 575,637.30 : x
  2. Step 2: Convert to fraction form
    880,067.70/1,320,101.55 = 575,637.30/x
  3. Step 3: Cross multiply
    880,067.70x = 1,320,101.55 × 575,637.30
  4. Step 4: Simplify right side
    880,067.70x = 759,899,691,967.82
  5. Step 5: Solve for x
    x = 759,899,691,967.82/880,067.70
  6. Step 6: Final answer
    x = 863,455.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.