Home / 863,666.84-1,295,666.31-331,146.34

Finding the Fourth Proportional to 863,666.84, 1,295,666.31 and 331,146.34

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Solution

The fourth proportional to 863,666.84, 1,295,666.31 and 331,146.34 is: 496,783.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,666.84 : 1,295,666.31 = 331,146.34 : x
  2. Step 2: Convert to fraction form
    863,666.84/1,295,666.31 = 331,146.34/x
  3. Step 3: Cross multiply
    863,666.84x = 1,295,666.31 × 331,146.34
  4. Step 4: Simplify right side
    863,666.84x = 429,055,156,417.81
  5. Step 5: Solve for x
    x = 429,055,156,417.81/863,666.84
  6. Step 6: Final answer
    x = 496,783.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.