Home / 731,990.55-1,093,003.28-645,883.80

Finding the Fourth Proportional to 731,990.55, 1,093,003.28 and 645,883.80

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Solution

The fourth proportional to 731,990.55, 1,093,003.28 and 645,883.80 is: 964,429.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,990.55 : 1,093,003.28 = 645,883.80 : x
  2. Step 2: Convert to fraction form
    731,990.55/1,093,003.28 = 645,883.80/x
  3. Step 3: Cross multiply
    731,990.55x = 1,093,003.28 × 645,883.80
  4. Step 4: Simplify right side
    731,990.55x = 705,953,108,669.45
  5. Step 5: Solve for x
    x = 705,953,108,669.45/731,990.55
  6. Step 6: Final answer
    x = 964,429.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.