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Finding the Fourth Proportional to 632,167.94, 948,490.81 and 379,624.50

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Solution

The fourth proportional to 632,167.94, 948,490.81 and 379,624.50 is: 569,580.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,167.94 : 948,490.81 = 379,624.50 : x
  2. Step 2: Convert to fraction form
    632,167.94/948,490.81 = 379,624.50/x
  3. Step 3: Cross multiply
    632,167.94x = 948,490.81 × 379,624.50
  4. Step 4: Simplify right side
    632,167.94x = 360,070,343,809.33
  5. Step 5: Solve for x
    x = 360,070,343,809.33/632,167.94
  6. Step 6: Final answer
    x = 569,580.20

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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.