Home / 629,038.41-868,155.01-374,389.59

Finding the Fourth Proportional to 629,038.41, 868,155.01 and 374,389.59

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Solution

The fourth proportional to 629,038.41, 868,155.01 and 374,389.59 is: 516,706.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,038.41 : 868,155.01 = 374,389.59 : x
  2. Step 2: Convert to fraction form
    629,038.41/868,155.01 = 374,389.59/x
  3. Step 3: Cross multiply
    629,038.41x = 868,155.01 × 374,389.59
  4. Step 4: Simplify right side
    629,038.41x = 325,028,202,675.90
  5. Step 5: Solve for x
    x = 325,028,202,675.90/629,038.41
  6. Step 6: Final answer
    x = 516,706.45

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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.