Home / 675,201.40-1,012,110.90-394,574.20

Finding the Fourth Proportional to 675,201.40, 1,012,110.90 and 394,574.20

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Solution

The fourth proportional to 675,201.40, 1,012,110.90 and 394,574.20 is: 591,457.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,201.40 : 1,012,110.90 = 394,574.20 : x
  2. Step 2: Convert to fraction form
    675,201.40/1,012,110.90 = 394,574.20/x
  3. Step 3: Cross multiply
    675,201.40x = 1,012,110.90 × 394,574.20
  4. Step 4: Simplify right side
    675,201.40x = 399,352,848,678.78
  5. Step 5: Solve for x
    x = 399,352,848,678.78/675,201.40
  6. Step 6: Final answer
    x = 591,457.38

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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.