Home / 505,394.49-697,439.03-275,951.05

Finding the Fourth Proportional to 505,394.49, 697,439.03 and 275,951.05

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Solution

The fourth proportional to 505,394.49, 697,439.03 and 275,951.05 is: 380,809.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,394.49 : 697,439.03 = 275,951.05 : x
  2. Step 2: Convert to fraction form
    505,394.49/697,439.03 = 275,951.05/x
  3. Step 3: Cross multiply
    505,394.49x = 697,439.03 × 275,951.05
  4. Step 4: Simplify right side
    505,394.49x = 192,459,035,767.56
  5. Step 5: Solve for x
    x = 192,459,035,767.56/505,394.49
  6. Step 6: Final answer
    x = 380,809.53

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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.