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Finding the Fourth Proportional to 607,415.77, 911,127.06 and 202,606.86

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Solution

The fourth proportional to 607,415.77, 911,127.06 and 202,606.86 is: 303,911.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,415.77 : 911,127.06 = 202,606.86 : x
  2. Step 2: Convert to fraction form
    607,415.77/911,127.06 = 202,606.86/x
  3. Step 3: Cross multiply
    607,415.77x = 911,127.06 × 202,606.86
  4. Step 4: Simplify right side
    607,415.77x = 184,600,591,674.60
  5. Step 5: Solve for x
    x = 184,600,591,674.60/607,415.77
  6. Step 6: Final answer
    x = 303,911.43

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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.