Home / 807,087.88-1,113,514.68-520,798.24

Finding the Fourth Proportional to 807,087.88, 1,113,514.68 and 520,798.24

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Solution

The fourth proportional to 807,087.88, 1,113,514.68 and 520,798.24 is: 718,529.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,087.88 : 1,113,514.68 = 520,798.24 : x
  2. Step 2: Convert to fraction form
    807,087.88/1,113,514.68 = 520,798.24/x
  3. Step 3: Cross multiply
    807,087.88x = 1,113,514.68 × 520,798.24
  4. Step 4: Simplify right side
    807,087.88x = 579,916,485,558.16
  5. Step 5: Solve for x
    x = 579,916,485,558.16/807,087.88
  6. Step 6: Final answer
    x = 718,529.54

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Double scale
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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.