Home / 754,319.60-1,040,811.96-423,186.56

Finding the Fourth Proportional to 754,319.60, 1,040,811.96 and 423,186.56

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Solution

The fourth proportional to 754,319.60, 1,040,811.96 and 423,186.56 is: 583,913.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,319.60 : 1,040,811.96 = 423,186.56 : x
  2. Step 2: Convert to fraction form
    754,319.60/1,040,811.96 = 423,186.56/x
  3. Step 3: Cross multiply
    754,319.60x = 1,040,811.96 × 423,186.56
  4. Step 4: Simplify right side
    754,319.60x = 440,457,632,959.26
  5. Step 5: Solve for x
    x = 440,457,632,959.26/754,319.60
  6. Step 6: Final answer
    x = 583,913.81

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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.