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Finding the Fourth Proportional to 610,102.44, 841,991.76 and 338,255.60

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Solution

The fourth proportional to 610,102.44, 841,991.76 and 338,255.60 is: 466,820.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,102.44 : 841,991.76 = 338,255.60 : x
  2. Step 2: Convert to fraction form
    610,102.44/841,991.76 = 338,255.60/x
  3. Step 3: Cross multiply
    610,102.44x = 841,991.76 × 338,255.60
  4. Step 4: Simplify right side
    610,102.44x = 284,808,423,763.90
  5. Step 5: Solve for x
    x = 284,808,423,763.90/610,102.44
  6. Step 6: Final answer
    x = 466,820.66

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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.