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Finding the Fourth Proportional to 567,103.08, 782,715.42 and 325,548.84

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Solution

The fourth proportional to 567,103.08, 782,715.42 and 325,548.84 is: 449,322.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,103.08 : 782,715.42 = 325,548.84 : x
  2. Step 2: Convert to fraction form
    567,103.08/782,715.42 = 325,548.84/x
  3. Step 3: Cross multiply
    567,103.08x = 782,715.42 × 325,548.84
  4. Step 4: Simplify right side
    567,103.08x = 254,812,097,031.11
  5. Step 5: Solve for x
    x = 254,812,097,031.11/567,103.08
  6. Step 6: Final answer
    x = 449,322.36

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1.5x scale

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.