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Finding the Fourth Proportional to 628,129.44, 940,016.88 and 602,002.08

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Solution

The fourth proportional to 628,129.44, 940,016.88 and 602,002.08 is: 900,916.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,129.44 : 940,016.88 = 602,002.08 : x
  2. Step 2: Convert to fraction form
    628,129.44/940,016.88 = 602,002.08/x
  3. Step 3: Cross multiply
    628,129.44x = 940,016.88 × 602,002.08
  4. Step 4: Simplify right side
    628,129.44x = 565,892,116,995.11
  5. Step 5: Solve for x
    x = 565,892,116,995.11/628,129.44
  6. Step 6: Final answer
    x = 900,916.41

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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.