Home / 521,527.34-782,291.04-335,719.82

Finding the Fourth Proportional to 521,527.34, 782,291.04 and 335,719.82

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Solution

The fourth proportional to 521,527.34, 782,291.04 and 335,719.82 is: 503,579.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,527.34 : 782,291.04 = 335,719.82 : x
  2. Step 2: Convert to fraction form
    521,527.34/782,291.04 = 335,719.82/x
  3. Step 3: Cross multiply
    521,527.34x = 782,291.04 × 335,719.82
  4. Step 4: Simplify right side
    521,527.34x = 262,630,607,136.41
  5. Step 5: Solve for x
    x = 262,630,607,136.41/521,527.34
  6. Step 6: Final answer
    x = 503,579.75

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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.