Home / 863,463.20-1,293,812.40-547,354.40

Finding the Fourth Proportional to 863,463.20, 1,293,812.40 and 547,354.40

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Solution

The fourth proportional to 863,463.20, 1,293,812.40 and 547,354.40 is: 820,155.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,463.20 : 1,293,812.40 = 547,354.40 : x
  2. Step 2: Convert to fraction form
    863,463.20/1,293,812.40 = 547,354.40/x
  3. Step 3: Cross multiply
    863,463.20x = 1,293,812.40 × 547,354.40
  4. Step 4: Simplify right side
    863,463.20x = 708,173,909,914.56
  5. Step 5: Solve for x
    x = 708,173,909,914.56/863,463.20
  6. Step 6: Final answer
    x = 820,155.29

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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.