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Finding the Fourth Proportional to 505,337.94, 697,336.29 and 275,849.55

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Solution

The fourth proportional to 505,337.94, 697,336.29 and 275,849.55 is: 380,655.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,337.94 : 697,336.29 = 275,849.55 : x
  2. Step 2: Convert to fraction form
    505,337.94/697,336.29 = 275,849.55/x
  3. Step 3: Cross multiply
    505,337.94x = 697,336.29 × 275,849.55
  4. Step 4: Simplify right side
    505,337.94x = 192,359,901,795.17
  5. Step 5: Solve for x
    x = 192,359,901,795.17/505,337.94
  6. Step 6: Final answer
    x = 380,655.97

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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.