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Finding the Fourth Proportional to 659,944.80, 911,055.60 and 552,117.60

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Solution

The fourth proportional to 659,944.80, 911,055.60 and 552,117.60 is: 762,199.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,944.80 : 911,055.60 = 552,117.60 : x
  2. Step 2: Convert to fraction form
    659,944.80/911,055.60 = 552,117.60/x
  3. Step 3: Cross multiply
    659,944.80x = 911,055.60 × 552,117.60
  4. Step 4: Simplify right side
    659,944.80x = 503,009,831,338.56
  5. Step 5: Solve for x
    x = 503,009,831,338.56/659,944.80
  6. Step 6: Final answer
    x = 762,199.86

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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.