Home / 731,989.41-1,010,145.24-409,699.50

Finding the Fourth Proportional to 731,989.41, 1,010,145.24 and 409,699.50

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Solution

The fourth proportional to 731,989.41, 1,010,145.24 and 409,699.50 is: 565,385.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,989.41 : 1,010,145.24 = 409,699.50 : x
  2. Step 2: Convert to fraction form
    731,989.41/1,010,145.24 = 409,699.50/x
  3. Step 3: Cross multiply
    731,989.41x = 1,010,145.24 × 409,699.50
  4. Step 4: Simplify right side
    731,989.41x = 413,855,999,755.38
  5. Step 5: Solve for x
    x = 413,855,999,755.38/731,989.41
  6. Step 6: Final answer
    x = 565,385.23

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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.