Home / 754,239.25-1,040,700.60-423,105.81

Finding the Fourth Proportional to 754,239.25, 1,040,700.60 and 423,105.81

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Solution

The fourth proportional to 754,239.25, 1,040,700.60 and 423,105.81 is: 583,802.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,239.25 : 1,040,700.60 = 423,105.81 : x
  2. Step 2: Convert to fraction form
    754,239.25/1,040,700.60 = 423,105.81/x
  3. Step 3: Cross multiply
    754,239.25x = 1,040,700.60 × 423,105.81
  4. Step 4: Simplify right side
    754,239.25x = 440,326,470,330.49
  5. Step 5: Solve for x
    x = 440,326,470,330.49/754,239.25
  6. Step 6: Final answer
    x = 583,802.12

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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.