Home / 520,964.67-719,042.90-339,352.55

Finding the Fourth Proportional to 520,964.67, 719,042.90 and 339,352.55

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Solution

The fourth proportional to 520,964.67, 719,042.90 and 339,352.55 is: 468,379.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,964.67 : 719,042.90 = 339,352.55 : x
  2. Step 2: Convert to fraction form
    520,964.67/719,042.90 = 339,352.55/x
  3. Step 3: Cross multiply
    520,964.67x = 719,042.90 × 339,352.55
  4. Step 4: Simplify right side
    520,964.67x = 244,009,041,674.40
  5. Step 5: Solve for x
    x = 244,009,041,674.40/520,964.67
  6. Step 6: Final answer
    x = 468,379.25

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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.