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Finding the Fourth Proportional to 636,169.14, 877,903.56 and 349,683.06

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Solution

The fourth proportional to 636,169.14, 877,903.56 and 349,683.06 is: 482,557.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,169.14 : 877,903.56 = 349,683.06 : x
  2. Step 2: Convert to fraction form
    636,169.14/877,903.56 = 349,683.06/x
  3. Step 3: Cross multiply
    636,169.14x = 877,903.56 × 349,683.06
  4. Step 4: Simplify right side
    636,169.14x = 306,988,003,245.69
  5. Step 5: Solve for x
    x = 306,988,003,245.69/636,169.14
  6. Step 6: Final answer
    x = 482,557.21

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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.