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Finding the Fourth Proportional to 454,076.20, 681,114.30 and 432,303.40

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Solution

The fourth proportional to 454,076.20, 681,114.30 and 432,303.40 is: 648,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,076.20 : 681,114.30 = 432,303.40 : x
  2. Step 2: Convert to fraction form
    454,076.20/681,114.30 = 432,303.40/x
  3. Step 3: Cross multiply
    454,076.20x = 681,114.30 × 432,303.40
  4. Step 4: Simplify right side
    454,076.20x = 294,448,027,678.62
  5. Step 5: Solve for x
    x = 294,448,027,678.62/454,076.20
  6. Step 6: Final answer
    x = 648,455.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.