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Finding the Fourth Proportional to 628,995.44, 942,705.56 and 495,347.88

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Solution

The fourth proportional to 628,995.44, 942,705.56 and 495,347.88 is: 742,401.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,995.44 : 942,705.56 = 495,347.88 : x
  2. Step 2: Convert to fraction form
    628,995.44/942,705.56 = 495,347.88/x
  3. Step 3: Cross multiply
    628,995.44x = 942,705.56 × 495,347.88
  4. Step 4: Simplify right side
    628,995.44x = 466,967,200,610.21
  5. Step 5: Solve for x
    x = 466,967,200,610.21/628,995.44
  6. Step 6: Final answer
    x = 742,401.57

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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.