Home / 894,123.60-1,338,253.38-488,694.80

Finding the Fourth Proportional to 894,123.60, 1,338,253.38 and 488,694.80

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Solution

The fourth proportional to 894,123.60, 1,338,253.38 and 488,694.80 is: 731,439.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,123.60 : 1,338,253.38 = 488,694.80 : x
  2. Step 2: Convert to fraction form
    894,123.60/1,338,253.38 = 488,694.80/x
  3. Step 3: Cross multiply
    894,123.60x = 1,338,253.38 × 488,694.80
  4. Step 4: Simplify right side
    894,123.60x = 653,997,467,888.42
  5. Step 5: Solve for x
    x = 653,997,467,888.42/894,123.60
  6. Step 6: Final answer
    x = 731,439.67

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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.