Home / 804,802.60-1,206,435.90-299,228.20

Finding the Fourth Proportional to 804,802.60, 1,206,435.90 and 299,228.20

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Solution

The fourth proportional to 804,802.60, 1,206,435.90 and 299,228.20 is: 448,556.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,802.60 : 1,206,435.90 = 299,228.20 : x
  2. Step 2: Convert to fraction form
    804,802.60/1,206,435.90 = 299,228.20/x
  3. Step 3: Cross multiply
    804,802.60x = 1,206,435.90 × 299,228.20
  4. Step 4: Simplify right side
    804,802.60x = 360,999,642,772.38
  5. Step 5: Solve for x
    x = 360,999,642,772.38/804,802.60
  6. Step 6: Final answer
    x = 448,556.76

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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.