Home / 624,121.51-861,312.11-365,962.57

Finding the Fourth Proportional to 624,121.51, 861,312.11 and 365,962.57

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Solution

The fourth proportional to 624,121.51, 861,312.11 and 365,962.57 is: 505,042.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,121.51 : 861,312.11 = 365,962.57 : x
  2. Step 2: Convert to fraction form
    624,121.51/861,312.11 = 365,962.57/x
  3. Step 3: Cross multiply
    624,121.51x = 861,312.11 × 365,962.57
  4. Step 4: Simplify right side
    624,121.51x = 315,207,993,347.72
  5. Step 5: Solve for x
    x = 315,207,993,347.72/624,121.51
  6. Step 6: Final answer
    x = 505,042.67

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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.