Home / 743,110.85-1,025,498.99-403,581.53

Finding the Fourth Proportional to 743,110.85, 1,025,498.99 and 403,581.53

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Solution

The fourth proportional to 743,110.85, 1,025,498.99 and 403,581.53 is: 556,945.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,110.85 : 1,025,498.99 = 403,581.53 : x
  2. Step 2: Convert to fraction form
    743,110.85/1,025,498.99 = 403,581.53/x
  3. Step 3: Cross multiply
    743,110.85x = 1,025,498.99 × 403,581.53
  4. Step 4: Simplify right side
    743,110.85x = 413,872,451,397.66
  5. Step 5: Solve for x
    x = 413,872,451,397.66/743,110.85
  6. Step 6: Final answer
    x = 556,945.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.