Home / 451,914.89-623,637.11-260,924.18

Finding the Fourth Proportional to 451,914.89, 623,637.11 and 260,924.18

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Solution

The fourth proportional to 451,914.89, 623,637.11 and 260,924.18 is: 360,072.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,914.89 : 623,637.11 = 260,924.18 : x
  2. Step 2: Convert to fraction form
    451,914.89/623,637.11 = 260,924.18/x
  3. Step 3: Cross multiply
    451,914.89x = 623,637.11 × 260,924.18
  4. Step 4: Simplify right side
    451,914.89x = 162,722,000,239.70
  5. Step 5: Solve for x
    x = 162,722,000,239.70/451,914.89
  6. Step 6: Final answer
    x = 360,072.23

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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.