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Finding the Fourth Proportional to 452,742.30, 624,780.72 and 246,008.88

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Solution

The fourth proportional to 452,742.30, 624,780.72 and 246,008.88 is: 339,490.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,742.30 : 624,780.72 = 246,008.88 : x
  2. Step 2: Convert to fraction form
    452,742.30/624,780.72 = 246,008.88/x
  3. Step 3: Cross multiply
    452,742.30x = 624,780.72 × 246,008.88
  4. Step 4: Simplify right side
    452,742.30x = 153,701,605,172.79
  5. Step 5: Solve for x
    x = 153,701,605,172.79/452,742.30
  6. Step 6: Final answer
    x = 339,490.27

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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.