Home / 709,383.23-1,064,074.84-260,134.55

Finding the Fourth Proportional to 709,383.23, 1,064,074.84 and 260,134.55

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Solution

The fourth proportional to 709,383.23, 1,064,074.84 and 260,134.55 is: 390,201.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,383.23 : 1,064,074.84 = 260,134.55 : x
  2. Step 2: Convert to fraction form
    709,383.23/1,064,074.84 = 260,134.55/x
  3. Step 3: Cross multiply
    709,383.23x = 1,064,074.84 × 260,134.55
  4. Step 4: Simplify right side
    709,383.23x = 276,802,623,699.01
  5. Step 5: Solve for x
    x = 276,802,623,699.01/709,383.23
  6. Step 6: Final answer
    x = 390,201.82

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Double scale
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Similar ratio
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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.