Home / 741,066.90-1,110,742.41-340,867.77

Finding the Fourth Proportional to 741,066.90, 1,110,742.41 and 340,867.77

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Solution

The fourth proportional to 741,066.90, 1,110,742.41 and 340,867.77 is: 510,907.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,066.90 : 1,110,742.41 = 340,867.77 : x
  2. Step 2: Convert to fraction form
    741,066.90/1,110,742.41 = 340,867.77/x
  3. Step 3: Cross multiply
    741,066.90x = 1,110,742.41 × 340,867.77
  4. Step 4: Simplify right side
    741,066.90x = 378,616,288,341.13
  5. Step 5: Solve for x
    x = 378,616,288,341.13/741,066.90
  6. Step 6: Final answer
    x = 510,907.03

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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.