Home / 899,106.36-1,349,323.20-425,790.96

Finding the Fourth Proportional to 899,106.36, 1,349,323.20 and 425,790.96

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Solution

The fourth proportional to 899,106.36, 1,349,323.20 and 425,790.96 is: 639,000.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,106.36 : 1,349,323.20 = 425,790.96 : x
  2. Step 2: Convert to fraction form
    899,106.36/1,349,323.20 = 425,790.96/x
  3. Step 3: Cross multiply
    899,106.36x = 1,349,323.20 × 425,790.96
  4. Step 4: Simplify right side
    899,106.36x = 574,529,620,678.27
  5. Step 5: Solve for x
    x = 574,529,620,678.27/899,106.36
  6. Step 6: Final answer
    x = 639,000.73

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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.