Home / 742,593.27-1,114,129.79-343,495.84

Finding the Fourth Proportional to 742,593.27, 1,114,129.79 and 343,495.84

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Solution

The fourth proportional to 742,593.27, 1,114,129.79 and 343,495.84 is: 515,354.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,593.27 : 1,114,129.79 = 343,495.84 : x
  2. Step 2: Convert to fraction form
    742,593.27/1,114,129.79 = 343,495.84/x
  3. Step 3: Cross multiply
    742,593.27x = 1,114,129.79 × 343,495.84
  4. Step 4: Simplify right side
    742,593.27x = 382,698,946,959.37
  5. Step 5: Solve for x
    x = 382,698,946,959.37/742,593.27
  6. Step 6: Final answer
    x = 515,354.72

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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.