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Finding the Fourth Proportional to 636,560.58, 878,436.05 and 350,080.91

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Solution

The fourth proportional to 636,560.58, 878,436.05 and 350,080.91 is: 483,102.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,560.58 : 878,436.05 = 350,080.91 : x
  2. Step 2: Convert to fraction form
    636,560.58/878,436.05 = 350,080.91/x
  3. Step 3: Cross multiply
    636,560.58x = 878,436.05 × 350,080.91
  4. Step 4: Simplify right side
    636,560.58x = 307,523,691,760.81
  5. Step 5: Solve for x
    x = 307,523,691,760.81/636,560.58
  6. Step 6: Final answer
    x = 483,102.00

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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.