Home / 740,903.40-1,022,446.50-401,371.56

Finding the Fourth Proportional to 740,903.40, 1,022,446.50 and 401,371.56

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Solution

The fourth proportional to 740,903.40, 1,022,446.50 and 401,371.56 is: 553,892.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,903.40 : 1,022,446.50 = 401,371.56 : x
  2. Step 2: Convert to fraction form
    740,903.40/1,022,446.50 = 401,371.56/x
  3. Step 3: Cross multiply
    740,903.40x = 1,022,446.50 × 401,371.56
  4. Step 4: Simplify right side
    740,903.40x = 410,380,946,721.54
  5. Step 5: Solve for x
    x = 410,380,946,721.54/740,903.40
  6. Step 6: Final answer
    x = 553,892.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.