Home / 621,744.69-858,039.17-367,090.41

Finding the Fourth Proportional to 621,744.69, 858,039.17 and 367,090.41

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Solution

The fourth proportional to 621,744.69, 858,039.17 and 367,090.41 is: 506,603.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,744.69 : 858,039.17 = 367,090.41 : x
  2. Step 2: Convert to fraction form
    621,744.69/858,039.17 = 367,090.41/x
  3. Step 3: Cross multiply
    621,744.69x = 858,039.17 × 367,090.41
  4. Step 4: Simplify right side
    621,744.69x = 314,977,950,711.36
  5. Step 5: Solve for x
    x = 314,977,950,711.36/621,744.69
  6. Step 6: Final answer
    x = 506,603.36

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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.