Home / 455,724.72-628,880.96-262,117.84

Finding the Fourth Proportional to 455,724.72, 628,880.96 and 262,117.84

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Solution

The fourth proportional to 455,724.72, 628,880.96 and 262,117.84 is: 361,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,724.72 : 628,880.96 = 262,117.84 : x
  2. Step 2: Convert to fraction form
    455,724.72/628,880.96 = 262,117.84/x
  3. Step 3: Cross multiply
    455,724.72x = 628,880.96 × 262,117.84
  4. Step 4: Simplify right side
    455,724.72x = 164,840,918,852.33
  5. Step 5: Solve for x
    x = 164,840,918,852.33/455,724.72
  6. Step 6: Final answer
    x = 361,711.60

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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.