Home / 685,953.36-1,029,080.40-230,528.28

Finding the Fourth Proportional to 685,953.36, 1,029,080.40 and 230,528.28

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Solution

The fourth proportional to 685,953.36, 1,029,080.40 and 230,528.28 is: 345,842.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,953.36 : 1,029,080.40 = 230,528.28 : x
  2. Step 2: Convert to fraction form
    685,953.36/1,029,080.40 = 230,528.28/x
  3. Step 3: Cross multiply
    685,953.36x = 1,029,080.40 × 230,528.28
  4. Step 4: Simplify right side
    685,953.36x = 237,232,134,593.71
  5. Step 5: Solve for x
    x = 237,232,134,593.71/685,953.36
  6. Step 6: Final answer
    x = 345,842.95

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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.