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Finding the Fourth Proportional to 609,571.94, 841,616.15 and 380,221.25

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Solution

The fourth proportional to 609,571.94, 841,616.15 and 380,221.25 is: 524,959.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,571.94 : 841,616.15 = 380,221.25 : x
  2. Step 2: Convert to fraction form
    609,571.94/841,616.15 = 380,221.25/x
  3. Step 3: Cross multiply
    609,571.94x = 841,616.15 × 380,221.25
  4. Step 4: Simplify right side
    609,571.94x = 320,000,338,464.00
  5. Step 5: Solve for x
    x = 320,000,338,464.00/609,571.94
  6. Step 6: Final answer
    x = 524,959.11

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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.