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Finding the Fourth Proportional to 476,364.54, 713,612.58 and 276,264.54

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Solution

The fourth proportional to 476,364.54, 713,612.58 and 276,264.54 is: 413,855.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,364.54 : 713,612.58 = 276,264.54 : x
  2. Step 2: Convert to fraction form
    476,364.54/713,612.58 = 276,264.54/x
  3. Step 3: Cross multiply
    476,364.54x = 713,612.58 × 276,264.54
  4. Step 4: Simplify right side
    476,364.54x = 197,145,851,151.91
  5. Step 5: Solve for x
    x = 197,145,851,151.91/476,364.54
  6. Step 6: Final answer
    x = 413,855.01

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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.