Home / 754,241.49-1,040,704.38-423,108.45

Finding the Fourth Proportional to 754,241.49, 1,040,704.38 and 423,108.45

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Solution

The fourth proportional to 754,241.49, 1,040,704.38 and 423,108.45 is: 583,806.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,241.49 : 1,040,704.38 = 423,108.45 : x
  2. Step 2: Convert to fraction form
    754,241.49/1,040,704.38 = 423,108.45/x
  3. Step 3: Cross multiply
    754,241.49x = 1,040,704.38 × 423,108.45
  4. Step 4: Simplify right side
    754,241.49x = 440,330,817,130.01
  5. Step 5: Solve for x
    x = 440,330,817,130.01/754,241.49
  6. Step 6: Final answer
    x = 583,806.15

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Double scale
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1.5x scale

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.