Home / 875,757.12-1,314,219.94-307,137.72

Finding the Fourth Proportional to 875,757.12, 1,314,219.94 and 307,137.72

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Solution

The fourth proportional to 875,757.12, 1,314,219.94 and 307,137.72 is: 460,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,757.12 : 1,314,219.94 = 307,137.72 : x
  2. Step 2: Convert to fraction form
    875,757.12/1,314,219.94 = 307,137.72/x
  3. Step 3: Cross multiply
    875,757.12x = 1,314,219.94 × 307,137.72
  4. Step 4: Simplify right side
    875,757.12x = 403,646,520,110.62
  5. Step 5: Solve for x
    x = 403,646,520,110.62/875,757.12
  6. Step 6: Final answer
    x = 460,911.49

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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.