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Finding the Fourth Proportional to 469,230.08, 647,788.78 and 367,038.42

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Solution

The fourth proportional to 469,230.08, 647,788.78 and 367,038.42 is: 506,709.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,230.08 : 647,788.78 = 367,038.42 : x
  2. Step 2: Convert to fraction form
    469,230.08/647,788.78 = 367,038.42/x
  3. Step 3: Cross multiply
    469,230.08x = 647,788.78 × 367,038.42
  4. Step 4: Simplify right side
    469,230.08x = 237,763,370,304.93
  5. Step 5: Solve for x
    x = 237,763,370,304.93/469,230.08
  6. Step 6: Final answer
    x = 506,709.57

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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.