Home / 658,408.55-987,541.03-446,537.45

Finding the Fourth Proportional to 658,408.55, 987,541.03 and 446,537.45

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Solution

The fourth proportional to 658,408.55, 987,541.03 and 446,537.45 is: 669,757.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,408.55 : 987,541.03 = 446,537.45 : x
  2. Step 2: Convert to fraction form
    658,408.55/987,541.03 = 446,537.45/x
  3. Step 3: Cross multiply
    658,408.55x = 987,541.03 × 446,537.45
  4. Step 4: Simplify right side
    658,408.55x = 440,974,054,659.08
  5. Step 5: Solve for x
    x = 440,974,054,659.08/658,408.55
  6. Step 6: Final answer
    x = 669,757.49

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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.