Home / 910,965.33-1,365,533.49-311,516.34

Finding the Fourth Proportional to 910,965.33, 1,365,533.49 and 311,516.34

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Solution

The fourth proportional to 910,965.33, 1,365,533.49 and 311,516.34 is: 466,961.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,965.33 : 1,365,533.49 = 311,516.34 : x
  2. Step 2: Convert to fraction form
    910,965.33/1,365,533.49 = 311,516.34/x
  3. Step 3: Cross multiply
    910,965.33x = 1,365,533.49 × 311,516.34
  4. Step 4: Simplify right side
    910,965.33x = 425,385,994,952.23
  5. Step 5: Solve for x
    x = 425,385,994,952.23/910,965.33
  6. Step 6: Final answer
    x = 466,961.78

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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.