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Finding the Fourth Proportional to 636,312.33, 954,503.73 and 209,830.95

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Solution

The fourth proportional to 636,312.33, 954,503.73 and 209,830.95 is: 314,758.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,312.33 : 954,503.73 = 209,830.95 : x
  2. Step 2: Convert to fraction form
    636,312.33/954,503.73 = 209,830.95/x
  3. Step 3: Cross multiply
    636,312.33x = 954,503.73 × 209,830.95
  4. Step 4: Simplify right side
    636,312.33x = 200,284,424,444.44
  5. Step 5: Solve for x
    x = 200,284,424,444.44/636,312.33
  6. Step 6: Final answer
    x = 314,758.04

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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.