Home / 804,703.80-1,207,314.90-538,764.60

Finding the Fourth Proportional to 804,703.80, 1,207,314.90 and 538,764.60

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Solution

The fourth proportional to 804,703.80, 1,207,314.90 and 538,764.60 is: 808,320.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,703.80 : 1,207,314.90 = 538,764.60 : x
  2. Step 2: Convert to fraction form
    804,703.80/1,207,314.90 = 538,764.60/x
  3. Step 3: Cross multiply
    804,703.80x = 1,207,314.90 × 538,764.60
  4. Step 4: Simplify right side
    804,703.80x = 650,458,529,172.54
  5. Step 5: Solve for x
    x = 650,458,529,172.54/804,703.80
  6. Step 6: Final answer
    x = 808,320.44

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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.