Home / 802,142.76-1,202,589.63-397,055.47

Finding the Fourth Proportional to 802,142.76, 1,202,589.63 and 397,055.47

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Solution

The fourth proportional to 802,142.76, 1,202,589.63 and 397,055.47 is: 595,274.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,142.76 : 1,202,589.63 = 397,055.47 : x
  2. Step 2: Convert to fraction form
    802,142.76/1,202,589.63 = 397,055.47/x
  3. Step 3: Cross multiply
    802,142.76x = 1,202,589.63 × 397,055.47
  4. Step 4: Simplify right side
    802,142.76x = 477,494,790,756.78
  5. Step 5: Solve for x
    x = 477,494,790,756.78/802,142.76
  6. Step 6: Final answer
    x = 595,274.08

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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.