Home / 660,667.16-911,309.46-550,003.34

Finding the Fourth Proportional to 660,667.16, 911,309.46 and 550,003.34

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Solution

The fourth proportional to 660,667.16, 911,309.46 and 550,003.34 is: 758,662.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,667.16 : 911,309.46 = 550,003.34 : x
  2. Step 2: Convert to fraction form
    660,667.16/911,309.46 = 550,003.34/x
  3. Step 3: Cross multiply
    660,667.16x = 911,309.46 × 550,003.34
  4. Step 4: Simplify right side
    660,667.16x = 501,223,246,773.60
  5. Step 5: Solve for x
    x = 501,223,246,773.60/660,667.16
  6. Step 6: Final answer
    x = 758,662.27

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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.