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Finding the Fourth Proportional to 496,007.12, 684,460.76 and 269,650.64

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Solution

The fourth proportional to 496,007.12, 684,460.76 and 269,650.64 is: 372,102.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,007.12 : 684,460.76 = 269,650.64 : x
  2. Step 2: Convert to fraction form
    496,007.12/684,460.76 = 269,650.64/x
  3. Step 3: Cross multiply
    496,007.12x = 684,460.76 × 269,650.64
  4. Step 4: Simplify right side
    496,007.12x = 184,565,281,988.89
  5. Step 5: Solve for x
    x = 184,565,281,988.89/496,007.12
  6. Step 6: Final answer
    x = 372,102.08

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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.