Home / 807,453.29-1,210,037.37-447,782.34

Finding the Fourth Proportional to 807,453.29, 1,210,037.37 and 447,782.34

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Solution

The fourth proportional to 807,453.29, 1,210,037.37 and 447,782.34 is: 671,039.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,453.29 : 1,210,037.37 = 447,782.34 : x
  2. Step 2: Convert to fraction form
    807,453.29/1,210,037.37 = 447,782.34/x
  3. Step 3: Cross multiply
    807,453.29x = 1,210,037.37 × 447,782.34
  4. Step 4: Simplify right side
    807,453.29x = 541,833,365,026.05
  5. Step 5: Solve for x
    x = 541,833,365,026.05/807,453.29
  6. Step 6: Final answer
    x = 671,039.89

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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.