Home / 863,898.04-1,295,847.20-442,905.40

Finding the Fourth Proportional to 863,898.04, 1,295,847.20 and 442,905.40

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Solution

The fourth proportional to 863,898.04, 1,295,847.20 and 442,905.40 is: 664,358.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,898.04 : 1,295,847.20 = 442,905.40 : x
  2. Step 2: Convert to fraction form
    863,898.04/1,295,847.20 = 442,905.40/x
  3. Step 3: Cross multiply
    863,898.04x = 1,295,847.20 × 442,905.40
  4. Step 4: Simplify right side
    863,898.04x = 573,937,722,454.88
  5. Step 5: Solve for x
    x = 573,937,722,454.88/863,898.04
  6. Step 6: Final answer
    x = 664,358.17

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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.