Home / 781,341.36-1,172,057.88-301,571.76

Finding the Fourth Proportional to 781,341.36, 1,172,057.88 and 301,571.76

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Solution

The fourth proportional to 781,341.36, 1,172,057.88 and 301,571.76 is: 452,375.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,341.36 : 1,172,057.88 = 301,571.76 : x
  2. Step 2: Convert to fraction form
    781,341.36/1,172,057.88 = 301,571.76/x
  3. Step 3: Cross multiply
    781,341.36x = 1,172,057.88 × 301,571.76
  4. Step 4: Simplify right side
    781,341.36x = 353,459,557,693.47
  5. Step 5: Solve for x
    x = 353,459,557,693.47/781,341.36
  6. Step 6: Final answer
    x = 452,375.33

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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.