Home / 910,190.28-1,365,305.10-279,090.12

Finding the Fourth Proportional to 910,190.28, 1,365,305.10 and 279,090.12

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Solution

The fourth proportional to 910,190.28, 1,365,305.10 and 279,090.12 is: 418,641.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,190.28 : 1,365,305.10 = 279,090.12 : x
  2. Step 2: Convert to fraction form
    910,190.28/1,365,305.10 = 279,090.12/x
  3. Step 3: Cross multiply
    910,190.28x = 1,365,305.10 × 279,090.12
  4. Step 4: Simplify right side
    910,190.28x = 381,043,164,195.61
  5. Step 5: Solve for x
    x = 381,043,164,195.61/910,190.28
  6. Step 6: Final answer
    x = 418,641.21

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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.