Home / 907,914.46-1,250,790.78-631,797.62

Finding the Fourth Proportional to 907,914.46, 1,250,790.78 and 631,797.62

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Solution

The fourth proportional to 907,914.46, 1,250,790.78 and 631,797.62 is: 870,397.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,914.46 : 1,250,790.78 = 631,797.62 : x
  2. Step 2: Convert to fraction form
    907,914.46/1,250,790.78 = 631,797.62/x
  3. Step 3: Cross multiply
    907,914.46x = 1,250,790.78 × 631,797.62
  4. Step 4: Simplify right side
    907,914.46x = 790,246,637,921.94
  5. Step 5: Solve for x
    x = 790,246,637,921.94/907,914.46
  6. Step 6: Final answer
    x = 870,397.68

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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.