Home / 1,150,141.61-1,725,212.12-308,693.36

Finding the Fourth Proportional to 1,150,141.61, 1,725,212.12 and 308,693.36

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Solution

The fourth proportional to 1,150,141.61, 1,725,212.12 and 308,693.36 is: 463,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,141.61 : 1,725,212.12 = 308,693.36 : x
  2. Step 2: Convert to fraction form
    1,150,141.61/1,725,212.12 = 308,693.36/x
  3. Step 3: Cross multiply
    1,150,141.61x = 1,725,212.12 × 308,693.36
  4. Step 4: Simplify right side
    1,150,141.61x = 532,561,528,805.09
  5. Step 5: Solve for x
    x = 532,561,528,805.09/1,150,141.61
  6. Step 6: Final answer
    x = 463,039.96

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Double scale
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1.5x scale

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.