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Finding the Fourth Proportional to 630,848.68, 946,179.60 and 204,421.75

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Solution

The fourth proportional to 630,848.68, 946,179.60 and 204,421.75 is: 306,602.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,848.68 : 946,179.60 = 204,421.75 : x
  2. Step 2: Convert to fraction form
    630,848.68/946,179.60 = 204,421.75/x
  3. Step 3: Cross multiply
    630,848.68x = 946,179.60 × 204,421.75
  4. Step 4: Simplify right side
    630,848.68x = 193,419,686,514.27
  5. Step 5: Solve for x
    x = 193,419,686,514.27/630,848.68
  6. Step 6: Final answer
    x = 306,602.35

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1.5x scale

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.