Home / 908,123.60-1,361,213.40-308,529.20

Finding the Fourth Proportional to 908,123.60, 1,361,213.40 and 308,529.20

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Solution

The fourth proportional to 908,123.60, 1,361,213.40 and 308,529.20 is: 462,463.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,123.60 : 1,361,213.40 = 308,529.20 : x
  2. Step 2: Convert to fraction form
    908,123.60/1,361,213.40 = 308,529.20/x
  3. Step 3: Cross multiply
    908,123.60x = 1,361,213.40 × 308,529.20
  4. Step 4: Simplify right side
    908,123.60x = 419,974,081,331.28
  5. Step 5: Solve for x
    x = 419,974,081,331.28/908,123.60
  6. Step 6: Final answer
    x = 462,463.57

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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.