Home / 455,209.04-628,094.72-261,579.36

Finding the Fourth Proportional to 455,209.04, 628,094.72 and 261,579.36

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Solution

The fourth proportional to 455,209.04, 628,094.72 and 261,579.36 is: 360,925.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,209.04 : 628,094.72 = 261,579.36 : x
  2. Step 2: Convert to fraction form
    455,209.04/628,094.72 = 261,579.36/x
  3. Step 3: Cross multiply
    455,209.04x = 628,094.72 × 261,579.36
  4. Step 4: Simplify right side
    455,209.04x = 164,296,614,876.98
  5. Step 5: Solve for x
    x = 164,296,614,876.98/455,209.04
  6. Step 6: Final answer
    x = 360,925.64

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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.