Home / 754,564.56-1,040,771.44-512,426.40

Finding the Fourth Proportional to 754,564.56, 1,040,771.44 and 512,426.40

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Solution

The fourth proportional to 754,564.56, 1,040,771.44 and 512,426.40 is: 706,790.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,564.56 : 1,040,771.44 = 512,426.40 : x
  2. Step 2: Convert to fraction form
    754,564.56/1,040,771.44 = 512,426.40/x
  3. Step 3: Cross multiply
    754,564.56x = 1,040,771.44 × 512,426.40
  4. Step 4: Simplify right side
    754,564.56x = 533,318,762,222.02
  5. Step 5: Solve for x
    x = 533,318,762,222.02/754,564.56
  6. Step 6: Final answer
    x = 706,790.10

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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.