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Finding the Fourth Proportional to 634,624.16, 952,185.50 and 279,388.96

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Solution

The fourth proportional to 634,624.16, 952,185.50 and 279,388.96 is: 419,193.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,624.16 : 952,185.50 = 279,388.96 : x
  2. Step 2: Convert to fraction form
    634,624.16/952,185.50 = 279,388.96/x
  3. Step 3: Cross multiply
    634,624.16x = 952,185.50 × 279,388.96
  4. Step 4: Simplify right side
    634,624.16x = 266,030,116,572.08
  5. Step 5: Solve for x
    x = 266,030,116,572.08/634,624.16
  6. Step 6: Final answer
    x = 419,193.18

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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.