Home / 945,694.34-1,303,533.62-639,659.06

Finding the Fourth Proportional to 945,694.34, 1,303,533.62 and 639,659.06

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Solution

The fourth proportional to 945,694.34, 1,303,533.62 and 639,659.06 is: 881,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,694.34 : 1,303,533.62 = 639,659.06 : x
  2. Step 2: Convert to fraction form
    945,694.34/1,303,533.62 = 639,659.06/x
  3. Step 3: Cross multiply
    945,694.34x = 1,303,533.62 × 639,659.06
  4. Step 4: Simplify right side
    945,694.34x = 833,817,090,047.60
  5. Step 5: Solve for x
    x = 833,817,090,047.60/945,694.34
  6. Step 6: Final answer
    x = 881,698.30

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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.