Home / 460,319.82-690,479.79-140,473.37

Finding the Fourth Proportional to 460,319.82, 690,479.79 and 140,473.37

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Solution

The fourth proportional to 460,319.82, 690,479.79 and 140,473.37 is: 210,710.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,319.82 : 690,479.79 = 140,473.37 : x
  2. Step 2: Convert to fraction form
    460,319.82/690,479.79 = 140,473.37/x
  3. Step 3: Cross multiply
    460,319.82x = 690,479.79 × 140,473.37
  4. Step 4: Simplify right side
    460,319.82x = 96,994,021,407.60
  5. Step 5: Solve for x
    x = 96,994,021,407.60/460,319.82
  6. Step 6: Final answer
    x = 210,710.07

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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.