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Finding the Fourth Proportional to 460,458.54, 691,119.74 and 283,311.54

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Solution

The fourth proportional to 460,458.54, 691,119.74 and 283,311.54 is: 425,233.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,458.54 : 691,119.74 = 283,311.54 : x
  2. Step 2: Convert to fraction form
    460,458.54/691,119.74 = 283,311.54/x
  3. Step 3: Cross multiply
    460,458.54x = 691,119.74 × 283,311.54
  4. Step 4: Simplify right side
    460,458.54x = 195,802,198,572.08
  5. Step 5: Solve for x
    x = 195,802,198,572.08/460,458.54
  6. Step 6: Final answer
    x = 425,233.07

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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.