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Finding the Fourth Proportional to 489,764.60, 733,869.30 and 363,793.40

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Solution

The fourth proportional to 489,764.60, 733,869.30 and 363,793.40 is: 545,112.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,764.60 : 733,869.30 = 363,793.40 : x
  2. Step 2: Convert to fraction form
    489,764.60/733,869.30 = 363,793.40/x
  3. Step 3: Cross multiply
    489,764.60x = 733,869.30 × 363,793.40
  4. Step 4: Simplify right side
    489,764.60x = 266,976,807,802.62
  5. Step 5: Solve for x
    x = 266,976,807,802.62/489,764.60
  6. Step 6: Final answer
    x = 545,112.50

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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.