Home / 804,741.47-1,207,112.64-299,236.76

Finding the Fourth Proportional to 804,741.47, 1,207,112.64 and 299,236.76

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Solution

The fourth proportional to 804,741.47, 1,207,112.64 and 299,236.76 is: 448,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,741.47 : 1,207,112.64 = 299,236.76 : x
  2. Step 2: Convert to fraction form
    804,741.47/1,207,112.64 = 299,236.76/x
  3. Step 3: Cross multiply
    804,741.47x = 1,207,112.64 × 299,236.76
  4. Step 4: Simplify right side
    804,741.47x = 361,212,475,348.65
  5. Step 5: Solve for x
    x = 361,212,475,348.65/804,741.47
  6. Step 6: Final answer
    x = 448,855.30

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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.