Home / 917,241.46-1,265,750.62-509,369.14

Finding the Fourth Proportional to 917,241.46, 1,265,750.62 and 509,369.14

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Solution

The fourth proportional to 917,241.46, 1,265,750.62 and 509,369.14 is: 702,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,241.46 : 1,265,750.62 = 509,369.14 : x
  2. Step 2: Convert to fraction form
    917,241.46/1,265,750.62 = 509,369.14/x
  3. Step 3: Cross multiply
    917,241.46x = 1,265,750.62 × 509,369.14
  4. Step 4: Simplify right side
    917,241.46x = 644,734,304,763.87
  5. Step 5: Solve for x
    x = 644,734,304,763.87/917,241.46
  6. Step 6: Final answer
    x = 702,905.76

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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.