Home / 899,110.36-1,349,329.20-425,794.96

Finding the Fourth Proportional to 899,110.36, 1,349,329.20 and 425,794.96

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Solution

The fourth proportional to 899,110.36, 1,349,329.20 and 425,794.96 is: 639,006.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,110.36 : 1,349,329.20 = 425,794.96 : x
  2. Step 2: Convert to fraction form
    899,110.36/1,349,329.20 = 425,794.96/x
  3. Step 3: Cross multiply
    899,110.36x = 1,349,329.20 × 425,794.96
  4. Step 4: Simplify right side
    899,110.36x = 574,537,572,740.83
  5. Step 5: Solve for x
    x = 574,537,572,740.83/899,110.36
  6. Step 6: Final answer
    x = 639,006.73

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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.