Home / 810,696.96-1,118,692.08-466,414.56

Finding the Fourth Proportional to 810,696.96, 1,118,692.08 and 466,414.56

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Solution

The fourth proportional to 810,696.96, 1,118,692.08 and 466,414.56 is: 643,611.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,696.96 : 1,118,692.08 = 466,414.56 : x
  2. Step 2: Convert to fraction form
    810,696.96/1,118,692.08 = 466,414.56/x
  3. Step 3: Cross multiply
    810,696.96x = 1,118,692.08 × 466,414.56
  4. Step 4: Simplify right side
    810,696.96x = 521,774,274,268.69
  5. Step 5: Solve for x
    x = 521,774,274,268.69/810,696.96
  6. Step 6: Final answer
    x = 643,611.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.