Home / 513,968.59-709,282.24-284,529.68

Finding the Fourth Proportional to 513,968.59, 709,282.24 and 284,529.68

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Solution

The fourth proportional to 513,968.59, 709,282.24 and 284,529.68 is: 392,654.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,968.59 : 709,282.24 = 284,529.68 : x
  2. Step 2: Convert to fraction form
    513,968.59/709,282.24 = 284,529.68/x
  3. Step 3: Cross multiply
    513,968.59x = 709,282.24 × 284,529.68
  4. Step 4: Simplify right side
    513,968.59x = 201,811,848,776.88
  5. Step 5: Solve for x
    x = 201,811,848,776.88/513,968.59
  6. Step 6: Final answer
    x = 392,654.05

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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.