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Finding the Fourth Proportional to 555,606.06, 766,735.64 and 300,958.26

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Solution

The fourth proportional to 555,606.06, 766,735.64 and 300,958.26 is: 415,322.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,606.06 : 766,735.64 = 300,958.26 : x
  2. Step 2: Convert to fraction form
    555,606.06/766,735.64 = 300,958.26/x
  3. Step 3: Cross multiply
    555,606.06x = 766,735.64 × 300,958.26
  4. Step 4: Simplify right side
    555,606.06x = 230,755,424,094.39
  5. Step 5: Solve for x
    x = 230,755,424,094.39/555,606.06
  6. Step 6: Final answer
    x = 415,322.01

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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.