Home / 804,557.20-1,207,039.02-378,013.96

Finding the Fourth Proportional to 804,557.20, 1,207,039.02 and 378,013.96

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Solution

The fourth proportional to 804,557.20, 1,207,039.02 and 378,013.96 is: 567,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,557.20 : 1,207,039.02 = 378,013.96 : x
  2. Step 2: Convert to fraction form
    804,557.20/1,207,039.02 = 378,013.96/x
  3. Step 3: Cross multiply
    804,557.20x = 1,207,039.02 × 378,013.96
  4. Step 4: Simplify right side
    804,557.20x = 456,277,599,824.72
  5. Step 5: Solve for x
    x = 456,277,599,824.72/804,557.20
  6. Step 6: Final answer
    x = 567,116.42

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Double scale
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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.