Home / 744,955.32-1,028,006.46-405,422.76

Finding the Fourth Proportional to 744,955.32, 1,028,006.46 and 405,422.76

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Solution

The fourth proportional to 744,955.32, 1,028,006.46 and 405,422.76 is: 559,466.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,955.32 : 1,028,006.46 = 405,422.76 : x
  2. Step 2: Convert to fraction form
    744,955.32/1,028,006.46 = 405,422.76/x
  3. Step 3: Cross multiply
    744,955.32x = 1,028,006.46 × 405,422.76
  4. Step 4: Simplify right side
    744,955.32x = 416,777,216,311.03
  5. Step 5: Solve for x
    x = 416,777,216,311.03/744,955.32
  6. Step 6: Final answer
    x = 559,466.06

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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.