Home / 448,966.10-671,505.15-401,921.30

Finding the Fourth Proportional to 448,966.10, 671,505.15 and 401,921.30

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Solution

The fourth proportional to 448,966.10, 671,505.15 and 401,921.30 is: 601,141.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,966.10 : 671,505.15 = 401,921.30 : x
  2. Step 2: Convert to fraction form
    448,966.10/671,505.15 = 401,921.30/x
  3. Step 3: Cross multiply
    448,966.10x = 671,505.15 × 401,921.30
  4. Step 4: Simplify right side
    448,966.10x = 269,892,222,844.70
  5. Step 5: Solve for x
    x = 269,892,222,844.70/448,966.10
  6. Step 6: Final answer
    x = 601,141.65

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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.