Home / 740,991.08-1,022,003.48-637,800.89

Finding the Fourth Proportional to 740,991.08, 1,022,003.48 and 637,800.89

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Solution

The fourth proportional to 740,991.08, 1,022,003.48 and 637,800.89 is: 879,679.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,991.08 : 1,022,003.48 = 637,800.89 : x
  2. Step 2: Convert to fraction form
    740,991.08/1,022,003.48 = 637,800.89/x
  3. Step 3: Cross multiply
    740,991.08x = 1,022,003.48 × 637,800.89
  4. Step 4: Simplify right side
    740,991.08x = 651,834,727,772.72
  5. Step 5: Solve for x
    x = 651,834,727,772.72/740,991.08
  6. Step 6: Final answer
    x = 879,679.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.