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Finding the Fourth Proportional to 461,080.04, 636,410.98 and 300,376.04

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Solution

The fourth proportional to 461,080.04, 636,410.98 and 300,376.04 is: 414,597.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,080.04 : 636,410.98 = 300,376.04 : x
  2. Step 2: Convert to fraction form
    461,080.04/636,410.98 = 300,376.04/x
  3. Step 3: Cross multiply
    461,080.04x = 636,410.98 × 300,376.04
  4. Step 4: Simplify right side
    461,080.04x = 191,162,609,984.92
  5. Step 5: Solve for x
    x = 191,162,609,984.92/461,080.04
  6. Step 6: Final answer
    x = 414,597.45

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1.5x scale

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.