Home / 880,190.03-1,320,285.06-480,612.83

Finding the Fourth Proportional to 880,190.03, 1,320,285.06 and 480,612.83

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Solution

The fourth proportional to 880,190.03, 1,320,285.06 and 480,612.83 is: 720,919.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,190.03 : 1,320,285.06 = 480,612.83 : x
  2. Step 2: Convert to fraction form
    880,190.03/1,320,285.06 = 480,612.83/x
  3. Step 3: Cross multiply
    880,190.03x = 1,320,285.06 × 480,612.83
  4. Step 4: Simplify right side
    880,190.03x = 634,545,932,491.90
  5. Step 5: Solve for x
    x = 634,545,932,491.90/880,190.03
  6. Step 6: Final answer
    x = 720,919.25

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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.