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Finding the Fourth Proportional to 636,213.58, 954,320.55 and 299,006.62

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Solution

The fourth proportional to 636,213.58, 954,320.55 and 299,006.62 is: 448,510.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,213.58 : 954,320.55 = 299,006.62 : x
  2. Step 2: Convert to fraction form
    636,213.58/954,320.55 = 299,006.62/x
  3. Step 3: Cross multiply
    636,213.58x = 954,320.55 × 299,006.62
  4. Step 4: Simplify right side
    636,213.58x = 285,348,162,052.04
  5. Step 5: Solve for x
    x = 285,348,162,052.04/636,213.58
  6. Step 6: Final answer
    x = 448,510.01

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1.5x scale

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.