Home / 763,583.40-1,145,504.70-231,100.20

Finding the Fourth Proportional to 763,583.40, 1,145,504.70 and 231,100.20

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Solution

The fourth proportional to 763,583.40, 1,145,504.70 and 231,100.20 is: 346,689.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,583.40 : 1,145,504.70 = 231,100.20 : x
  2. Step 2: Convert to fraction form
    763,583.40/1,145,504.70 = 231,100.20/x
  3. Step 3: Cross multiply
    763,583.40x = 1,145,504.70 × 231,100.20
  4. Step 4: Simplify right side
    763,583.40x = 264,726,365,270.94
  5. Step 5: Solve for x
    x = 264,726,365,270.94/763,583.40
  6. Step 6: Final answer
    x = 346,689.52

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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.