Home / 783,957.32-1,175,555.58-459,833.96

Finding the Fourth Proportional to 783,957.32, 1,175,555.58 and 459,833.96

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Solution

The fourth proportional to 783,957.32, 1,175,555.58 and 459,833.96 is: 689,527.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,957.32 : 1,175,555.58 = 459,833.96 : x
  2. Step 2: Convert to fraction form
    783,957.32/1,175,555.58 = 459,833.96/x
  3. Step 3: Cross multiply
    783,957.32x = 1,175,555.58 × 459,833.96
  4. Step 4: Simplify right side
    783,957.32x = 540,560,377,551.50
  5. Step 5: Solve for x
    x = 540,560,377,551.50/783,957.32
  6. Step 6: Final answer
    x = 689,527.81

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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.