Home / 510,530.56-765,796.02-229,719.76

Finding the Fourth Proportional to 510,530.56, 765,796.02 and 229,719.76

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Solution

The fourth proportional to 510,530.56, 765,796.02 and 229,719.76 is: 344,579.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,530.56 : 765,796.02 = 229,719.76 : x
  2. Step 2: Convert to fraction form
    510,530.56/765,796.02 = 229,719.76/x
  3. Step 3: Cross multiply
    510,530.56x = 765,796.02 × 229,719.76
  4. Step 4: Simplify right side
    510,530.56x = 175,918,477,923.36
  5. Step 5: Solve for x
    x = 175,918,477,923.36/510,530.56
  6. Step 6: Final answer
    x = 344,579.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.