Home / 999,579.72-1,499,369.58-289,608.24

Finding the Fourth Proportional to 999,579.72, 1,499,369.58 and 289,608.24

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Solution

The fourth proportional to 999,579.72, 1,499,369.58 and 289,608.24 is: 434,412.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,579.72 : 1,499,369.58 = 289,608.24 : x
  2. Step 2: Convert to fraction form
    999,579.72/1,499,369.58 = 289,608.24/x
  3. Step 3: Cross multiply
    999,579.72x = 1,499,369.58 × 289,608.24
  4. Step 4: Simplify right side
    999,579.72x = 434,229,785,173.34
  5. Step 5: Solve for x
    x = 434,229,785,173.34/999,579.72
  6. Step 6: Final answer
    x = 434,412.36

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Similar ratio
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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.