Home / 840,723.60-1,160,226.54-458,771.34

Finding the Fourth Proportional to 840,723.60, 1,160,226.54 and 458,771.34

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Solution

The fourth proportional to 840,723.60, 1,160,226.54 and 458,771.34 is: 633,119.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,723.60 : 1,160,226.54 = 458,771.34 : x
  2. Step 2: Convert to fraction form
    840,723.60/1,160,226.54 = 458,771.34/x
  3. Step 3: Cross multiply
    840,723.60x = 1,160,226.54 × 458,771.34
  4. Step 4: Simplify right side
    840,723.60x = 532,278,684,459.36
  5. Step 5: Solve for x
    x = 532,278,684,459.36/840,723.60
  6. Step 6: Final answer
    x = 633,119.71

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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.