Home / 681,368.70-1,021,676.85-316,232.22

Finding the Fourth Proportional to 681,368.70, 1,021,676.85 and 316,232.22

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Solution

The fourth proportional to 681,368.70, 1,021,676.85 and 316,232.22 is: 474,173.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,368.70 : 1,021,676.85 = 316,232.22 : x
  2. Step 2: Convert to fraction form
    681,368.70/1,021,676.85 = 316,232.22/x
  3. Step 3: Cross multiply
    681,368.70x = 1,021,676.85 × 316,232.22
  4. Step 4: Simplify right side
    681,368.70x = 323,087,138,398.11
  5. Step 5: Solve for x
    x = 323,087,138,398.11/681,368.70
  6. Step 6: Final answer
    x = 474,173.73

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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.