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Finding the Fourth Proportional to 609,867.96, 841,629.96 and 355,235.55

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Solution

The fourth proportional to 609,867.96, 841,629.96 and 355,235.55 is: 490,232.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,867.96 : 841,629.96 = 355,235.55 : x
  2. Step 2: Convert to fraction form
    609,867.96/841,629.96 = 355,235.55/x
  3. Step 3: Cross multiply
    609,867.96x = 841,629.96 × 355,235.55
  4. Step 4: Simplify right side
    609,867.96x = 298,976,881,737.08
  5. Step 5: Solve for x
    x = 298,976,881,737.08/609,867.96
  6. Step 6: Final answer
    x = 490,232.15

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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.