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Finding the Fourth Proportional to 508,616.21, 701,844.01 and 301,848.93

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Solution

The fourth proportional to 508,616.21, 701,844.01 and 301,848.93 is: 416,524.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,616.21 : 701,844.01 = 301,848.93 : x
  2. Step 2: Convert to fraction form
    508,616.21/701,844.01 = 301,848.93/x
  3. Step 3: Cross multiply
    508,616.21x = 701,844.01 × 301,848.93
  4. Step 4: Simplify right side
    508,616.21x = 211,850,862,690.79
  5. Step 5: Solve for x
    x = 211,850,862,690.79/508,616.21
  6. Step 6: Final answer
    x = 416,524.01

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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.