Home / 804,572.38-1,207,014.27-305,897.50

Finding the Fourth Proportional to 804,572.38, 1,207,014.27 and 305,897.50

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Solution

The fourth proportional to 804,572.38, 1,207,014.27 and 305,897.50 is: 458,905.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,572.38 : 1,207,014.27 = 305,897.50 : x
  2. Step 2: Convert to fraction form
    804,572.38/1,207,014.27 = 305,897.50/x
  3. Step 3: Cross multiply
    804,572.38x = 1,207,014.27 × 305,897.50
  4. Step 4: Simplify right side
    804,572.38x = 369,222,647,657.33
  5. Step 5: Solve for x
    x = 369,222,647,657.33/804,572.38
  6. Step 6: Final answer
    x = 458,905.45

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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.