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Finding the Fourth Proportional to 609,571.37, 841,619.52 and 380,477.64

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Solution

The fourth proportional to 609,571.37, 841,619.52 and 380,477.64 is: 525,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,571.37 : 841,619.52 = 380,477.64 : x
  2. Step 2: Convert to fraction form
    609,571.37/841,619.52 = 380,477.64/x
  3. Step 3: Cross multiply
    609,571.37x = 841,619.52 × 380,477.64
  4. Step 4: Simplify right side
    609,571.37x = 320,217,408,747.53
  5. Step 5: Solve for x
    x = 320,217,408,747.53/609,571.37
  6. Step 6: Final answer
    x = 525,315.70

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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.