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Finding the Fourth Proportional to 636,102.40, 954,154.14 and 298,895.71

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Solution

The fourth proportional to 636,102.40, 954,154.14 and 298,895.71 is: 448,343.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,102.40 : 954,154.14 = 298,895.71 : x
  2. Step 2: Convert to fraction form
    636,102.40/954,154.14 = 298,895.71/x
  3. Step 3: Cross multiply
    636,102.40x = 954,154.14 × 298,895.71
  4. Step 4: Simplify right side
    636,102.40x = 285,192,579,124.74
  5. Step 5: Solve for x
    x = 285,192,579,124.74/636,102.40
  6. Step 6: Final answer
    x = 448,343.82

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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.