Home / 963,487.62-1,445,471.22-289,579.80

Finding the Fourth Proportional to 963,487.62, 1,445,471.22 and 289,579.80

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Solution

The fourth proportional to 963,487.62, 1,445,471.22 and 289,579.80 is: 434,441.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,487.62 : 1,445,471.22 = 289,579.80 : x
  2. Step 2: Convert to fraction form
    963,487.62/1,445,471.22 = 289,579.80/x
  3. Step 3: Cross multiply
    963,487.62x = 1,445,471.22 × 289,579.80
  4. Step 4: Simplify right side
    963,487.62x = 418,579,266,793.36
  5. Step 5: Solve for x
    x = 418,579,266,793.36/963,487.62
  6. Step 6: Final answer
    x = 434,441.77

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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.